Astronomy on MSN

Michael's miscellany: 10 more cool things about the sun

In each of two previous posts, here and here, I listed 10 great facts about our daytime star. Well, if that wasn’t enough Sun ...

Did You Know: Mars isn’t actually round — here’s the surprising shape of the red planet!

While Mars may appear round, its true shape is subtly stretched and uneven, a product of its unique geological past and internal dynamics.