Archives for the 'Sun' Category
The Death of the Sun
Published on 5 Jun 2006 at 1:24 pm.
1 Comment.
Filed under Sun.
The Sun is dying. Oh, it won’t happen tomorrow, or the next day, but it will happen. Nothing lasts forever. Despite what the ancients believed, the heavens are not unchanging and eternal.
Currently, the Sun is sort of stable. It maintains this stabilty through energy releaed in nuclear fusion in its core. This energy ballances the […]
Some Solar Statistics
Published on 25 May 2006 at 6:25 pm.
4 Comments.
Filed under Sun.
The Sun is big. It’s bright, too. But, how big and bright is it? Very! Well, the astrophysicist in me wants numbers! I know that at least a few of my readers also like to put numbers to things. So here are some solar statistics for you.
The Sun has […]
Solar and Lunar Atmospheres
Published on 13 Mar 2006 at 8:11 pm.
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Filed under Sun, moon.
The Moon is an airless world. The Moon’s gravity is insufficient for it to hold onto an atmosphere of any consequence. There are a few atoms hanging around, and lunar scientists talk about a “lunar atmosphere,†but it is so thin that it shouldn’t really count as an atmosphere at all. In fact, you get […]
