Space/Science — HabitableZone

Space/Science » in reply to Incorrect: See et's reply to this post.

I've found that it speeds discussion and understanding if you explain why.

It also helps people decide if they want to believe one's declaritives if they know a bit about your background. You have some background in phys/astro or something like that?

What Nick described assumes a spherical symmetry which a galaxy does not have.

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