/f/space
I spent the last month photographing the “green comet” C/2022 E3 (ZTF) to show its ever-changing structure (OC)Submitted by ToastedBreadddd t3_10lvet7
Fires in a microgravity environment (like the space station) are fed by random oxygen molecules stumbling into them in a process called molecular diffusion. This produces spherical flames that burn more slowly and consume less oxygen, giving off a fraction of the heat emitted by terrestrial flames.
astronomy.comSubmitted by clayt6 t3_10jh73i
Submitted by AutoModerator t3_10ioao4
I took 59 images of the Milky Way and stitched them together to produce this 250 megapixel rainbow pano as it rose over the sand dunes of Death Valley. Zoom link in the comments [OC]
Got to see this behemoth in person todaySubmitted by ImBoredAtWorkHelp t3_10csk3k
Submitted by kalel1980 t3_10aife7
Submitted by SpaceCowboyN7 t3_107v82z
Submitted by AutoModerator t3_106o2sn
I pointed my backyard telescope into deep space and took pictures of this tiny patch of sky for 32 hours to reveal galaxies at mind-boggling distances … millions to billions of light years away. [OC]Submitted by Healthy_Mycologist37 t3_106deah
Submitted by InsanelyStupified t3_1049a8m
Submitted by IslandChillin t3_101jxu4
My first time posting. I think this might be Venus maybe? The bottom of the picture is the moon. Just took it a few hours ago. Thank you for your help!Submitted by [deleted] t3_10pdg34
Submitted by v1cv3g t3_109asrt
Submitted by Major-Apricot69 t3_10h0ikl
Submitted by Oxey405 t3_10ehsgz
Submitted by SaraShane t3_zya2b1
This year I made a gingerbread Curiosity rover!Submitted by goodwater42 t3_zv9uww