Corey S. Powell
@coreyspowell.bsky.social
Fascinated by things very big, very small, and beyond the limits of the human senses. Founder of OpenMind: www.openmindmag.org Creator of the Invisible Universe column: https://invisibleuniverse.substack.com/
Meanwhile on Mars...
The planet is covered with odd gullies that look like they were carved by running water. A cool new experiment demonstrates that they were probably carved by sliding, spitting chunks of dry ice. (Sorry, still no signs of life.) 🧪🔭
www.uu.nl/en/news/myst...
The planet is covered with odd gullies that look like they were carved by running water. A cool new experiment demonstrates that they were probably carved by sliding, spitting chunks of dry ice. (Sorry, still no signs of life.) 🧪🔭
www.uu.nl/en/news/myst...
November 6, 2025 at 11:18 PM
Meanwhile on Mars...
The planet is covered with odd gullies that look like they were carved by running water. A cool new experiment demonstrates that they were probably carved by sliding, spitting chunks of dry ice. (Sorry, still no signs of life.) 🧪🔭
www.uu.nl/en/news/myst...
The planet is covered with odd gullies that look like they were carved by running water. A cool new experiment demonstrates that they were probably carved by sliding, spitting chunks of dry ice. (Sorry, still no signs of life.) 🧪🔭
www.uu.nl/en/news/myst...
Spectacular time-lapse image of Comet Lemmon (C/2025 A6), taken by astrophotographer Michael Jäger.
There might have been, um, a few satellites passing by during the long exposure. 🧪🔭
forum.vdsastro.de/viewtopic.ph...
There might have been, um, a few satellites passing by during the long exposure. 🧪🔭
forum.vdsastro.de/viewtopic.ph...
October 28, 2025 at 7:31 PM
Spectacular time-lapse image of Comet Lemmon (C/2025 A6), taken by astrophotographer Michael Jäger.
There might have been, um, a few satellites passing by during the long exposure. 🧪🔭
forum.vdsastro.de/viewtopic.ph...
There might have been, um, a few satellites passing by during the long exposure. 🧪🔭
forum.vdsastro.de/viewtopic.ph...