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Blackstar is a relaxing and meditative 45-minute video of the Sun made by Seán Doran using footage from the Solar Dynamics Observatory. Instead of the familiar yellow, Doran has chosen to outfit our star in vivid blue and black, which lends the video a sort of alien familiarity. This looks absolutely stunning in 4K.
Capture the Atlas have announced their picks for the 2023 Milky Way Photographer of the Year competition. As usual, I’ve included a few of my favorites here — from top to bottom: Jakob Sahner’s photo from the Canary Islands, Mihail Minkov’s composite shot of the Milky Way as it looks in both the summer & winter, and Steffi Lieberman amongst the baobab trees in Madagascar. Here’s Minkov explaining his full-galactic view:
I’ve always wondered what the night sky would look like if we could see the two Milky Way arches from the winter and summer side by side. This is practically impossible, since they are part of a whole and are visible at different times of the day.
However, this 360-degree time-blended panorama shows us what they would look like. The two arches of the Milky Way represent one object in the starry sky, with part of it visible in winter and part of it in summer. Therefore, they are called the winter and summer arches. The winter arch includes objects that we can observe from October to March, primarily associated with the constellation Orion.
On the other hand, the summer arch features the Milky Way core, visible from March to September, which is the most characteristic and luminous part of the night sky, representing the center of our galaxy.
The Inouye Solar Telescope is the largest and most powerful solar telescope in the world. The telescope is still in a “learning and transitioning period” and not up to full operational speed, but scientists at the National Solar Observatory recently released a batch of images that hint at what it’s capable of. Several of the photos feature sunspots, cooler regions of the Sun with strong magnetic fields.
The sunspots pictured are dark and cool regions on the Sun’s “surface”, known as the photosphere, where strong magnetic fields persist. Sunspots vary in size, but many are often the size of Earth, if not larger. Complex sunspots or groups of sunspots can be the source of explosive events like flares and coronal mass ejections that generate solar storms. These energetic and eruptive phenomena influence the outermost atmospheric layer of the Sun, the heliosphere, with the potential to impact Earth and our critical infrastructure.
In the quiet regions of the Sun, the images show convection cells in the photosphere displaying a bright pattern of hot, upward-flowing plasma (granules) surrounded by darker lanes of cooler, down-flowing solar plasma. In the atmospheric layer above the photosphere, called the chromosphere, we see dark, elongated fibrils originating from locations of small-scale magnetic field accumulations.
(via petapixel)
This short animation from NASA shows the sizes of some of the supermassive black holes that feature at the center of galaxies. Some are relatively small:
First up is 1601+3113, a dwarf galaxy hosting a black hole packed with the mass of 100,000 Suns. The matter is so compressed that even the black hole’s shadow is smaller than our Sun.
While others are much larger than the solar system…and this isn’t even the biggest one:
At the animation’s larger scale lies M87’s black hole, now with a updated mass of 5.4 billion Suns. Its shadow is so big that even a beam of light — traveling at 670 million mph (1 billion kph) — would take about two and a half days to cross it.
Good morning, sunshines! Well, amateur astrophotographer Andrew McCarthy has done it again. Collaborating with Jason Guenzel, he has produced this absolutely gobsmacking image of the Sun.
The aptly named “Fusion of Helios” is a fusion from the minds of two astrophotographers, Andrew McCarthy and Jason Guenzel. Using a custom-modified hydrogen alpha solar telescope, the combined data from over 90,000 individual images was jointly processed to reveal the layers of intricate details within the solar chromosphere. A geometrically altered image of the 2017 eclipse as an artistic element in this composition to display an otherwise invisible structure. Great care was taken to align the two atmospheric layers in a scientifically plausible way using NASA’s SOHO data as a reference.
I’ve included the full image and my favorite crop (the solar tornado the height of 14 Earths was a close second) above, but do yourself a big favor and check out the largest image available (which is still way smaller than the 140 megapixel final image they produced). If you’re curious about the process, here’s how McCarthy gets his Sun photos:
So how do I resolve atmospheric details, like spicules, prominences, and filaments? The trick is tuning the telescope to an emission line where these objects aren’t drown out by the bright photosphere. Specifically, I’m shooting in the Hydrogen-alpha band of the visible spectrum (656.28nm). Hydrogen Alpha (HA) filters are common in astrophotography, but just adding one to your already filtered telescope will just reduce the sun’s light to a dim pink disk, and using it without the aperture filter we use to observe the details on the photosphere will blind you by not filtering enough light. If you just stack filters, you still can’t see details. So what’s the solution?
A series of precisely-manufactured filters that can be tuned to the appropriate emission line, built right into the telescope’s image train does the trick! While scopes built for this purpose do exist (look up “coronado solarmax” or “lunt solar telescope” I employ a heat-tuned hydrogen alpha filter (daystar quark) with an energy rejection filter (ERF) on a simple 5” doublet refractor. That gives me a details up close look at our sun’s atmosphere SAFELY. I’ve made a few custom modifications that have helped me produce a more seamless final image, but am not *quite* yet ready to share them, but just the ERF+Quark on a refractor will get you great views.
Photography has always been a combination of technology, artistry, and wrangling whatever light you can get to best express the feeling that you’re going for — astrophotography certainly dials that wrangling up to 11.
Prints of this image (and some digital downloads) are available in various sizes from McCarthy and Guenzel.
Folks, I told you that this was going to become a JWST fan blog and if you didn’t hear me the first time, consider yourself notified. NASA’s newest space telescope is still stretching its legs, but even back in its early days last summer, it captured this breathtaking near-infrared and mid-infrared image of a star preparing to go supernova.
The 10 light-years-wide nebula is made of material cast off from the aging star in random ejections, and from dust produced in the ensuing turbulence. This brilliant stage of mass loss precedes the star’s eventual supernova, when nuclear fusion in its core stops and the pressure of gravity causes it to collapse in on itself and then explode.
Images like these are useful for studying dust, which sounds a little boring but actually is fascinating (italics mine):
The origin of cosmic dust that can survive a supernova blast and contribute to the universe’s overall “dust budget” is of great interest to astronomers for multiple reasons. Dust is integral to the workings of the universe: It shelters forming stars, gathers together to help form planets, and serves as a platform for molecules to form and clump together — including the building blocks of life on Earth. Despite the many essential roles that dust plays, there is still more dust in the universe than astronomers’ current dust-formation theories can explain. The universe is operating with a dust budget surplus.
Currently imagining a sci-fi office dramedy about the dust budget surplus — someone over at HBO Max or Apple+ get on this.
I don’t know how kottke.org isn’t going to turn into a JWST-only blog — it seems like there’s some never-before-seen imagery released every other week that just absolutely knocks my socks off. Like these unprecedented images of nearby galaxies that were taken to help study how individual stars affect galactic structure.
The saying goes, ‘From a tiny acorn grows the mighty oak.’ This is accurate not just here on Earth, but in our solar system and beyond. Even on a galactic scale, where individual stars and star clusters can sculpt a galaxy’s overall structure. Scientists say NASA’s James Webb Space Telescope is perfectly primed to study these phenomena, and the first data is astounding astronomers.
New imagery from Webb’s Mid-Infrared Instrument is revealing never-before-seen details into how young, newly forming stars influence the structure of the gas and dust of nearby galaxies, and therefore how they evolve over time. Areas of galaxies that once appeared dim and dark in visible light, now under Webb’s infrared eye, are glowing cavities and huge cavernous bubbles of gas and dust.
A group of astronomers say they have evidence that links supermassive black holes at galactic centers with dark energy, the mysterious force that accounts for roughly 68% of the energy in the universe. Here’s the news release and the paper. From the Guardian:
Instead of dark energy being smeared out across spacetime, as many physicists have assumed, the scientists suggest that it is created and remains inside black holes, which form in the crushing forces of collapsing stars.
“We propose that black holes are the source for dark energy,” said Duncan Farrah, an astronomer at the University of Hawaii. “This dark energy is produced when normal matter is compressed during the death and collapse of large stars.”
The claim was met with raised eyebrows from some independent experts, with one noting that while the idea deserved scrutiny, it was far too early to link black holes and dark energy. “There’s a number of counter-arguments and facts that need to be understood if this claim is going to live more than a few months,” said Vitor Cardoso, a professor of physics at the Niels Bohr Institute in Copenhagen.
And here’s a short video explainer:
It’s a radical claim to be sure — it’ll be interesting to see how it shakes out in the weeks and months to come as other scientists interpret the results.
Thanks to a planet-wide collaboration, scientists have released an image of the Milky Way that contains 3.32 billion individually identifiable objects, most of which are stars.
Gathering the data required to cover this much of the night sky was a Herculean task; the DECaPS2 survey identified 3.32 billion objects from over 21,400 individual exposures. Its two-year run, which involved about 260 hours of observations, produced more than 10 terabytes of data.
Most of the stars and dust in the Milky Way are located in its spiral disk — the bright band stretching across this image. While this profusion of stars and dust makes for beautiful images, it also makes the galactic plane challenging to observe. The dark tendrils of dust seen threading through this image absorb starlight and blot out fainter stars entirely, and the light from diffuse nebulae interferes with any attempts to measure the brightness of individual objects. Another challenge arises from the sheer number of stars, which can overlap in the image and make it difficult to disentangle individual stars from their neighbors.
It’s worth checking out the largest size of the image published on the web (which is actually much smaller than the image’s actual size) as well as a tiny portion of the full image (second image above) that shows just how much detail is there. A zoomable interface for the entire image is available here.
From Wikipedia contributor Cmglee and Astronomy Picture of the Day, a color-coded periodic table that displays which cosmic events — the Big Bang, exploding stars, merging neutron stars, etc. — was responsible for creating each element, according to our present understanding of the universe.
The hydrogen in your body, present in every molecule of water, came from the Big Bang. There are no other appreciable sources of hydrogen in the universe. The carbon in your body was made by nuclear fusion in the interior of stars, as was the oxygen. Much of the iron in your body was made during supernovas of stars that occurred long ago and far away. The gold in your jewelry was likely made from neutron stars during collisions that may have been visible as short-duration gamma-ray bursts or gravitational wave events.
The data for the table came from OSU’s Jennifer Johnson, who quotes Carl Sagan:
The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.
(thx, caroline)
The European Space Agency has released a gobsmacking deep field image of thousands of galaxies taken by the James Webb Space Telescope.
A crowded field of galaxies throngs this Picture of the Month from the NASA/ESA/CSA James Webb Space Telescope, along with bright stars crowned with Webb’s signature six-pointed diffraction spikes. The large spiral galaxy at the base of this image is accompanied by a profusion of smaller, more distant galaxies which range from fully-fledged spirals to mere bright smudges. Named LEDA 2046648, it is situated a little over a billion light-years from Earth, in the constellation Hercules.
I know we’ve seen deep field images from the Hubble, but I don’t know how you can tire of looking at actual images created by human technology that shows thousands of galaxies, billions of years, trillions of stars, quadrillions of planets, untold numbers of potential intelligences & civilizations, and who really knows what else. It boggles the mind, every time.
You can download/view a massive high-res copy of this image right here.
Update: Here’s a video that zooms in from a wide view of the Milky Way all the way into galaxy LEDA 2046648 pictured above.
Wow. (via @cparnot)
A comet called Comet C/2022 E3 (ZTF) is currently visible in northern skies with the naked eye and here’s how you can catch a glimpse for yourself.
Comet C/2022 E3 (ZTF) is currently making its way through the northern skies and should reach its brightest magnitude in early February, according to In-The-Sky.org as it approaches perigee on Feb. 1. To see the comet for yourself, look to the north just after sunset and look for a faint greenish glow. Under the right dark sky conditions, the comet could be visible to the unaided eye, but binoculars will certainly make the job easier.
The comet last visited the Earth about 50,000 years ago and this may be its last visit before it leaves the solar system for good. The unusual green color results from a rare chemical reaction:
The comet itself isn’t green, but its head does appear to glow green thanks to a somewhat rare chemical reaction. The glow likely comes from diatomic carbon (C2) — a simple molecule made of two carbon atoms bonded together. When ultraviolet light from the sun breaks this molecule down, it emits a greenish glow that can last for several days, according to a 2021 study in the journal Proceedings of the National Academy of Sciences.
This eerie light disappears before making its way to the comet’s tail, or coma, which is made of gas. That gas is once again a result of solar radiation - in this case, sunlight causes part of the comet to sublimate, or transition from a solid into a gas without entering a liquid state. That gas streaks behind the comet, often glowing blue from the ultraviolet light.
The best, brightest views of the comet will be right around Feb 1, when it will be near the constellation Camelopardalis (almost due north, in the general vicinity of the Big and Little Dippers) right after sunset — use an app like Sky Guide to help find it. It’s cloudy here in Vermont until Friday…I’m going to try to catch a glimpse of it then.
Amazing photo of Comet C/2022 E3 (ZTF) above by Dan Bartlett.
South Korea currently has a probe called Danuri orbiting the Moon at an altitude of about 62 miles above the surface. It’s just begun its mission but has already sent back some black & white photos of the Moon and the Earth, including the two above. Over at EarthSky, Dave Adalian says these shots “rival the work of legendary nature photographer Ansel Adams” and it’s difficult to disagree.
Also worth a look: Danuri’s shot of the Earth and Moon from a distance, hanging in the blackness of space like a pair of pearls. (via petapixel)
Sure, the James Webb Space Telescope and ok, the Hubble, but the Solar Dynamics Observatory has to be right up there for producing some of the most jaw-dropping space photography around. This 4K video from NASA’s Goddard Space Flight Center condenses 133 days of the SRO’s observations of the Sun into a soothing hour-long time lapse.
See also The Highest Resolution Photo of the Sun Ever Taken, A Decade of Sun, Epic Time Lapse Videos of Mercury’s Transit of the Sun, and Thermonuclear Art.
On July 15, 1965, NASA’s Mariner 4 probe flew within 6,118 miles of the surface of Mars, capturing images as it passed over the planet. The image data was transmitted back to scientists on Earth, but they didn’t have a good way to quickly render a photograph from it. They determined that the fastest way to see what Mariner 4 had seen was to print out the imaging data as a series of numbers, paste them into a grid, buy a set of pastels from a nearby art store, and do a paint-by-numbers job with the pastels on the data grid. The result (pictured above) was the first closeup representation of the surface of an extraterrestrial planet — in color, no less!
After the flyby of the planet it would take several hours for computers to process a real image. So while they were waiting, the engineers thought of different ways of taking the 1’s and 0’s from the actual data and create an image. After a few variations, it seemed most efficient to print out the digits and color over them based upon how bright each pixel was. So Mr. Grumm went to a local art store and asked for a set of chalk with different shades of gray. The art store replied that they “did not sell chalk” (as that was apparently too low for them, only convenience stores sold “chalk”), but they did have colored pastels. Richard did not want to spend a lot of time arguing with them, so he bought the pastels (actual pastels seen below), had the 1’s and 0’s printed out on ticker tape about 3in wide, and his team colored them by their brightness level (color key seen below).
Here’s a closer view of the pastels and numbers:
The choice of color palette was serendipitous:
Though he used a brown/red color scheme, the thought that Mars was red did not enter his mind. He really was looking for the colors that best represented a grey scale, since that was what they were going to get anyway. It is uncanny how close his color scheme is to the actual colors of Mars. It’s as if they came right out of current images of the planet.
Compare with the photography we’re getting from Curiosity these days; we’ve come a long way in the last 60 years. (via @jenniferrrrrroberts and robin sloan)
Over the weekend, NASA’s Artemis I mission returned from a 25-day trip to the Moon. The mission was a test-run of the rockets, systems, and spacecraft that will return humans to the surface of the Moon. Visual imaging has been an integral part of even the earliest space missions — strap a camera to a spacecraft, let the people see what space looks like, and they will be inspired. Well, the photographs returned by Artemis I’s Orion spacecraft have certainly been inspirational. Working from NASA’s archive of images (on Flickr too), I’ve selected some of the most interesting and dramatic photos from the mission. The one at the top, showing a crescent Earth rising over the Moon’s surface, might be one of my favorite space photos ever (and that’s really saying something) — you can see a bigger version of it here.
Science fiction and fantasy artists could labor for a thousand years and never come up with something as beautiful and unbelievable as the aurora borealis. Nature: still undefeated. Those two shots are from the 2022 Northern Lights Photographer of the Year awards — the top one was captured by Tor-Ivar Næss in Norway and the bottom one was taken in Denmark by Ruslan Merzlyakov.
This 360° time lapse video, filmed by meteorologist Witek Kaszkin in 2015, follows the never-setting Sun in a 24-hour trip around the sky above the Arctic Circle as the icy Arctic landscape is bathed in constant summer sunlight.
See also — and I may be burying the lede here — Kaszkin’s video of a total solar eclipse filmed from the same location. Wow. (via the kid should see this)
On the 26th flight of Ingenuity, NASA’s helicopter on Mars, it spotted and photographed the wreckage of the Perseverance rover’s landing gear, protective shell, and parachute. From a NY Times article on the photos:
“There’s definitely a sci-fi element to it,” Ian Clark, an engineer who worked on Perseverance’s parachute system, said of photographs released on Wednesday. “It exudes otherworldly, doesn’t it?”
Part of the reason NASA had Ingenuity go take a look is to see how all of that equipment held up during the landing process. Data from the photos will inform future missions.
“Perseverance had the best-documented Mars landing in history, with cameras showing everything from parachute inflation to touchdown,” said JPL’s Ian Clark, former Perseverance systems engineer and now Mars Sample Return ascent phase lead. “But Ingenuity’s images offer a different vantage point. If they either reinforce that our systems worked as we think they worked or provide even one dataset of engineering information we can use for Mars Sample Return planning, it will be amazing. And if not, the pictures are still phenomenal and inspiring.”
In the images of the upright backshell and the debris field that resulted from it impacting the surface at about 78 mph (126 kph), the backshell’s protective coating appears to have remained intact during Mars atmospheric entry. Many of the 80 high-strength suspension lines connecting the backshell to the parachute are visible and also appear intact. Spread out and covered in dust, only about a third of the orange-and-white parachute — at 70.5 feet (21.5 meters) wide, it was the biggest ever deployed on Mars — can be seen, but the canopy shows no signs of damage from the supersonic airflow during inflation. Several weeks of analysis will be needed for a more final verdict.
It is really remarkable, the images we’re seeing from Mars, taken by a robotic helicopter.
Wow, NASA just released a video shot by the Mars Perseverance rover of a solar eclipse by the moon Phobos. The video description calls it “the most zoomed-in, highest frame-rate observation of a Phobos solar eclipse ever taken from the Martian surface”. According to this article from JPL, the video of the eclipse is played in realtime; it only lasted about 40 seconds.
Captured with Perseverance’s next-generation Mastcam-Z camera on April 2, the 397th Martian day, or sol, of the mission, the eclipse lasted a little over 40 seconds — much shorter than a typical solar eclipse involving Earth’s Moon. (Phobos is about 157 times smaller than Earth’s Moon. Mars’ other moon, Deimos, is even smaller.)
Just a hunk of space rock passing in front of a massive burning ball of gas recorded by a robot from the surface of an extraterrestrial planet, no big deal.
Seán Doran strikes again. In this short flyover rendered in 8K resolution by Doran, we’re treated to a detailed look at a crater on Mars. The imagery is from the HiRISE camera onboard the Mars Reconnaissance Orbiter. Beautiful — worth taking a second or third pass to catch all the details.
The European Space Agency’s Solar Orbiter recently took 25 images of the Sun from a distance of 46 million miles that, when stitched all together, form the highest resolution photo of the Sun (and its corona) ever created.
The high-resolution telescope of EUI takes pictures of such high spatial resolution that, at that close distance, a mosaic of 25 individual images is needed to cover the entire Sun. Taken one after the other, the full image was captured over a period of more than four hours because each tile takes about 10 minutes, including the time for the spacecraft to point from one segment to the next.
In total, the final image contains more than 83 million pixels in a 9148 x 9112 pixel grid. For comparison, this image has a resolution that is ten times better than what a 4K TV screen can display.
You can zoom in on the image here to see how remarkably detailed it is.
Within the past 100 million years, an icy moon got too close to Saturn and the planet’s gravity ripped it apart, forming the iconic rings. This clip from BBC’s The Planets details how that happened, accompanied by some amazing photography from NASA’s Cassini mission.
I got this from The Kid Should See This, who shared some ring facts:
They are younger than the dinosaurs, they form a disk wider than Jupiter that averages just 9 meters (30 feet) thick, and thanks to Cassini, we now know that there are tall peaks rising as high as 2.5 kilometers (1.6 miles) from the planet’s B ring.
I’ve shared this story on the site before, but seeing the rings of Saturn through my telescope in my backyard as a teenager made a massive impression on me as to the scale of the solar system and humankind’s ability to understand it through science and technology. I still can’t believe you can see those rings with a cheap telescope or binoculars. Incredible.
No doubt motivated by this month’s release of Moonfall, the latest movie from disaster shlockmeister Roland Emmerich, Kurzgesagt has made a video that shows what would happen to civilization should the Moon somehow get knocked from its orbit and head straight for the Earth. Spoiler: the Moon doesn’t even need to reach us to kill almost all life on the planet.
See also A Scientific Simulation of Seveneves’ Moon Disaster.
The James Webb Space Telescope is designed to be positioned near one of the five Lagrange Points in the Sun/Earth system, special areas of gravitational equilibrium that keep objects stationary relative to both the Earth and the Sun. Here’s how Lagrange Points work and why they are so useful for spacecraft like the Webb.
See also What Makes Lagrange Points Special Locations In Space.
Space is mostly just what it says on the tin: empty space. The solar system is no exception; it’s a massive volume occupied by little more than the Sun’s mass — the mass of all the planets, moons, comets, asteroids, space dust, and stray electrons are just a bit more than a rounding error. But oh what mass it is when you get up close to it.
The NASA space probe Cassini, on its seven-year journey to Saturn, cozied up to Jupiter in December 2000 and captured a succession of images of Io and Europa passing over the Great Red Spot during the moons’ orbit of the gas giant planet. Kevin Gill turned those images into the incredible video embedded above. That we have such crisp, smooth video of two small moons orbiting a planet some 444 million miles away from Earth is something of a miracle — it looks totally rendered. Also in the video is footage of Titan orbiting Saturn — that horizontal line bisecting the frame is Saturn’s rings, edge-on.
The James Webb Space Telescope is still winging its way to its permanent home at the L2 point1 about 930,000 miles from Earth — it’s due to arrive in about 4 days. It’s a massive and fascinating project and for his YouTube series Smarter Every Day, Destin Sandlin talked to Nobel laureate John Mather, the senior project scientist for the JWST, about how the telescope works.
Also worth a watch is Real Engineering’s The Insane Engineering of James Webb Telescope:
It really is a marvel of modern science & engineering — I can’t wait to see what the telescope sees once it’s fully operational.
Charles and Ray Eames’ 1977 short film Powers of Ten is one of the best bits of science communication ever created…and a personal favorite of mine. Here’s a description of the original film:
Powers of Ten takes us on an adventure in magnitudes. Starting at a picnic by the lakeside in Chicago, this famous film transports us to the outer edges of the universe. Every ten seconds we view the starting point from ten times farther out until our own galaxy is visible only a s a speck of light among many others. Returning to Earth with breathtaking speed, we move inward — into the hand of the sleeping picnicker — with ten times more magnification every ten seconds. Our journey ends inside a proton of a carbon atom within a DNA molecule in a white blood cell.
As an homage, the BBC and particle physicist Brian Cox have created an updated version that reflects what we’ve learned about the universe in the 45 years since Powers of Ten was made. The new video zooms out to the limits of our current observational powers, to about 100 billion light years away, 1000X wider than in the original. (I wish they would have done the zoom in part of the video too, but maybe next year!)
And if you’d like to explore the scales of the universe for yourself, check out the Universe in a Nutshell app from Tim Urban and Kurzgesagt — you can zoom in and out as far as you want and interact with and learn about objects along the way.
Using a composite of 25 different shots done over a period of 12 minutes in his backyard, amateur astrophotographer Andrew McCarthy created this stunning image of Comet Leonard. From PetaPixel:
Processing comet images is a challenge because even in the span of 12 minutes, the comet drifts across the frame relative to the background stars,” McCarthy tells PetaPixel. “Due to the comet’s motion, it has to be stacked differently. I tell the software to stack the images based on the comet position and star positions separately, which is then combined together to produce an image with the comet and stars both sharp.
See also this image of Leonard and McCarthy’s colorful photo of a full moon.
Check out some of the best aurora borealis and aurora australis photos taken in 2021 in the results of the 2021 Northern Lights Photographer of the Year competition.1 My three favorites (embedded above) were taken by Larryn Rae, Marc Adamus, and Frøydis Dalheim. (thx, caroline)
Off-topic, but I covered this contest last year and they used the same nonspecific URL for this year’s winners as they did for last year’s. Which means that last year’s winning photos are nowhere to be found and in 2022 the 2021 photos will also disappear. Don’t do this!↩
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