Unusual photos of Martian landscapes from Mars Reconnaissance Orbiter

Nice small collection of unusual photos of Martian landscapes from Mars Reconnaissance Orbiter at Daily Overview. I don’t know what the blue triangle thing is.

The description doesn’t say, but I’m guessing most of them are false-color or exaggerated.

(Images originally from NASA)

https://www.getrevue.co/profile/dailyoverview/issues/mars-reconnaissance-orbiter-433906

#mars #space #photo

On Wandering.shop

An amazing composite photo of the Milky Way and Jupiter over the snow-covered Himalayas, via @apod. Photographer Tomas Havel took 8 exposures from the same spot over 3 hours and combined them to make this image.

An amazing composite photo of the Milky Way and Jupiter over the snow-covered Himalayas, via @apod. Photographer Tomas Havel took 8 exposures from the same spot over 3 hours and combined them to make this image.

APoD: The Milky Way over Snow-Capped Himalayas

On Twitter

Seriously, though, check out this thread by @AstroKatie on how the image was produced and why the ring looks the way it does, plus simulations of different viewing angles.

Seriously, though, check out this thread by @AstroKatie on how the image was produced and why the ring looks the way it does, plus simulations of different viewing angles.

On Twitter

And this article by @BadAstronomer on the science behind the image.

https://www.syfy.com/syfy-wire/the-first-image-of-the-event-horizon-of-a-black-hole

On Twitter

Article by Phil Plait explaining the science behind the Event Horizon Telescope’s ground-breaking image of …

Article by Phil Plait explaining the science behind the Event Horizon Telescope’s ground-breaking image of the supermassive black hole in M87 – the world’s first-ever actual image of the event horizon (or, more precisely, silhouette) of a black hole.

https://www.syfy.com/syfy-wire/the-first-image-of-the-event-horizon-of-a-black-hole

Birdsite thread by @AstroKatie on how the image was produced and why the ring looks the way it does, plus simulations of different viewing angles.

#science #space #astronomy #blackholes

An orange ring against the blackness of space

On Wandering.shop

RT @AstroKatie: Here’s a paper talking about the history of black hole images, with a detailed discussion of what you should expect for the “shadow” image we’ve just seen. Check Fig 12, with renderings of shadows for disks at different angles

RT @AstroKatie: Here’s a paper talking about the history of black hole images, with a detailed discussion of what you should expect for the “shadow” image we’ve just seen. Check Fig 12, with renderings of shadows for disks at different angles https://arxiv.org/pdf/1902.11196.pdf

On Twitter

RT @TamyEmmaPepin: Congratulations to Katie Bouman to whom we owe the first photograph of a black hole ever. Not seeing her name circulate nearly enough in the press. Amazing work. And here’s to more women in science (getting their credit and being remembered in history) πŸ’₯πŸ”₯β˜„οΈ

RT @TamyEmmaPepin: Congratulations to Katie Bouman to whom we owe the first photograph of a black hole ever. Not seeing her name circulate nearly enough in the press.

Amazing work. And here’s to more women in science (getting their credit and being remembered in history) πŸ’₯πŸ”₯β˜„οΈ

On Twitter

RT @AstroKatie: First ever direct image of a black hole! The supermassive black hole in the galaxy M87 — 6.5 billion times as massive as the Sun! #EHT #BlackHole The image is better than I expected!

RT @AstroKatie: First ever direct image of a black hole! The supermassive black hole in the galaxy M87 — 6.5 billion times as massive as the Sun! #EHT #BlackHole The image is better than I expected!

An orange ring against the blackness of space

On Twitter

Very cool! A view of the far side of the moon and Earth beyond it…

Very cool! A view of the far side of the moon and Earth beyond it, from the Chinese Longjiang-2 satellite in lunar orbit.

https://www.syfy.com/syfy-wire/the-earth-peeks-out-from-behind-the-lunar-far-side

#space #moon

On Wandering.shop

Link: The Earth peeks out from behind the lunar far side

On Twitter

RT @YBeletsky: Amazing #lenticular #cloud over a salt lake in #Atacama #desert in #Chile #astronomy, #weather #altiplano @thisisChile #nightscape #mountains #adventure @BBCStargazing #space

RT @YBeletsky: Amazing #lenticular #cloud over a salt lake in #Atacama #desert in #Chile #astronomy, #weather #altiplano @thisisChile #nightscape #mountains #adventure @BBCStargazing #space

https://twitter.com/YBeletsky/status/1075029086643347456/photo/1

On Twitter

Mastodon’s been trending again

So I noticed Mastodon’s been trending again & figured I’d take another look. I don’t need another time sink, but I figured it might be worth jumping in this time. Now to replicate just the good parts of that other network…

On Mastodon.Social

I should probably figure out what I want to talk about here before I try to figure out who to follow, huh? I mean, I’ll probably end up cross-posting photos & blogging (yes, I still blog), but other than that, do I want to talk about…tech? politics? comics? sci-fi/fantasy? I don’t think anyone I know IRL is here, so it’s a matter of topics for now.

On Mastodon.Social

Actually, what *is* the etiquette for cross-posting here?

On Mastodon.Social

So, the 5-7 interests meme (this feels like early 2000s LJ): #comics #scifi #space #computers #science #art #photography

On Mastodon.Social

Hmm, looks like I may want to check out wandering.shop for scifi/fantasy and photog.social for photography…

On Mastodon.Social

OK, so I’ve set up @kelsonv@photog.social for photography posting. I’ll probably keep this one for other stuff.

On Mastodon.Social

At first I wasn’t sure to make of this poster. “Believe” that we went to the moon? Well, yeah. Then the Powerball motif…

At first I wasn’t sure to make of this poster. “Believe” that we went to the moon? Well, yeah. Then the Powerball motif was pointed out, making it an ad for the state lottery. Shoot for the moon, I guess. But the lottery is all about blind luck, while the moon landings were planned out meticulously, calculated and tested stage by stage over years, *leaving as little to chance as possible*.

At first I wasn’t sure to make of this poster. “Believe” that we went to the moon? Well, yeah. Then the Powerball motif was pointed out, making it an ad for the state lottery. Shoot for the moon, I guess. But the lottery is all about blind luck, while the moon landings were planned out meticulously, calculated and tested stage by stage over years, *leaving as little to chance as possible*.