Capsule return, Dec. 5-6, 2020: In a little over half an hour, they’re going to start the capsule containing samples of Asteroid Ryugu on its
May 12, 2020, 4:10 p.m., Pacific: A Loihi update came in from the Hawaiian Volcano Observatory. The full text is here. Excerpt, with emphasis and
This post from March is timely now — also, there’s an update, with a movie of the asteroid. Update, April 24, 2020: Here’s the visitor:
Here’s a news story about this. Per sources quoted by Wikipedia, this very distant, nonthreatening comet is about 14 times as big as the Earth.
That’s salt — we couldn’t live without it. Salt is a mineral. It’s really difficult to mention “minerals” without your listener’s eyes glazing up and
Saw in the news this week that Voyager 2 crossed the hydrogen wall at the edge of the Solar System. I didn’t even know the