Starship Asterisk*

I'm catching up on some Apod's I missed from a year ago. While we often read that it's only an illusion that makes the Moon appear larger near the horizon, it's not often pointed out that it really does appear bigger when directly, or nearly, overhead, being around 4000 miles or 6400 kilometres clos...

You talked a moment about an astronaut seeing an earth eclipse while on the moon. I think someone would have to spend two weeks on the moon for that to happen. I don't know so I'm writing you to see if you think this is true. The rocket energy to reach the moon is least when the moon is leading or ...

Interesting choice of music. I love the Moonlight sonata, but even if Holst is too obvious, how about Mozart's 41st symphony, a.k.a. the Jupiter?

Amazing pictures. Jupiter's clouds would be constant entertainment for any beings living in its system.