Author Topic: Solar flare hitting earth this weekend?  (Read 3377 times)



I think you mean mars is the middle planet of the solar system, because the 'whole' solar system is about a light year across.

by "Whole solar system" you mean Galaxy right?

The whole galaxy is about 31 kiloparsecs across, which makes it roughly 100,000 light years across.

The whole galaxy is about 31 kiloparsecs across, which makes it roughly 100,000 light years across.
woosh