Blue Origin halts New Shepard flights BuckGalaxy January 31, 2026 3:13 am (Space/Science)
Trouble on the way BuckGalaxy January 28, 2026 1:47 pm (CurrentEvents)
Being a tech bro gets you a commission and a uniform podrock January 28, 2026 11:16 am (CurrentEvents)
Artificial Intelligence ER January 28, 2026 6:56 am (Flame)
Emily Blunt's favorite sandwich. ER January 27, 2026 7:46 am (Comestible Zone)
hey hey SDG January 26, 2026 10:38 pm (6)
‘Yes, it’s going to crack’ - a spacecraft not everyone thinks is safe to fly BuckGalaxy January 23, 2026 10:42 am (Flame)
Trump’s Greenland Gambit Has Broken Brains Across Washington BuckGalaxy January 21, 2026 8:38 pm (Flame)
This is so strange, on so many levels. ER January 21, 2026 5:13 pm (Off-Topic)
What's in your wallet? ER January 19, 2026 8:10 pm (CurrentEvents)
Anne Applebaum: Trump’s Letter to Norway Should Be the Last Straw BuckGalaxy January 19, 2026 7:18 pm (Flame)
Sloppy Seconds BuckGalaxy January 16, 2026 7:24 pm (Flame)
Mapping info of Luna’s gravity field is out. And very pretty!
I did not realize that the moon had much differentiation in its components. They say in the piece that the moon’s crust is about 6 miles thick. What’s below the crust? I thought we decided that the moon was made mostly of material from earth’s crust. So what’s going to be different below the peel?