Search found 6 matches
- Mon Jun 19, 2006 5:43 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Neptune Crescent? Discussion (APOD 18 Jun 2006)
- Replies: 26
- Views: 9723
Re: Neptune Crescent?
I am an elementary school teacher and was struck by the comment that Neptune is never seen as a crescent-shaped figure from Earth. I had never thought about this, so would this be true for all planets beyond Earth's orbit? Thanks, Scott Scott, Phases require the planetary body to pass between the s...
- Fri Jun 17, 2005 5:53 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: So, just how many stars are there up there?
- Replies: 10
- Views: 5764
I like this number as well, the estimated total number of atoms in the observable universe :twisted: http://en.wikipedia.org/wiki/Atom Atoms in the universe and our world Using inflation theory, the number of atoms in the observable universe can be estimated to be between 4×10^78 and 6×10^79 . Howev...
- Thu Jun 16, 2005 12:32 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD 10th Anniversary: Congratulations
- Replies: 44
- Views: 25125
- Thu Jun 16, 2005 12:26 pm
- Forum: The Asterisk Café: Discuss Anything Astronomy Related
- Topic: What to look for tonight...
- Replies: 6
- Views: 6579
Re: A Sydney newbie...
:D Hi, Im here In Sydney, Australia, and Im just starting out with this... are there any people here from Australia? or any others with some advice on what to look out for from this side of the planet? :lol: regards Gareth I'm not from Australia but here is a great place to start if you want to che...
- Wed Mar 16, 2005 1:51 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: the message
- Replies: 5
- Views: 4571
- Wed Feb 09, 2005 3:46 pm
- Forum: The Asterisk Café: Discuss Anything Astronomy Related
- Topic: Which satellite is this?
- Replies: 193
- Views: 197382
I apologize for the long post but some people can't wade through 13 pages: ...In short, in an order of magnitude calculation, it appears that this object is likely in a GTO (geosynchronous transfer orbit). The large size and slow motion make it an ideal candidate for the fuel dump theory... I have n...