Search found 2 matches
- Mon Oct 03, 2005 9:16 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: cats eye
- Replies: 33
- Views: 11946
Re: Cats eye Nebula
I would say the layers record the ignition layers as hydrogen was crushed gravitationally into helium, helium into lithium, and on through Period one elements. As the center of the star collapsed into the Period two elements, the explosions became even more violent, ejecting much of the material ab...
- Mon Oct 03, 2005 8:35 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD Oct.03, 2005 Hyperion
- Replies: 44
- Views: 14964
Re: Saturn's Hyperion: A Moon with Odd Craters
Somewhere out there in the solar system there exists an object with a chunk, the size of Hyperion, missing...just my guess To me it seems the craters have been formed from within like volcanoes. They do not appear to be impact craters as you would see for instance on the moon. The shape of impact c...