Staff, Author at Astronomy.com | Page 7 of 7

How close could you be to witness Arizona’s meteor crater form and still live to tell the tale?

What would happen if the Moon’s farside faced Earth?

What is the “Roche limit” and how is it defined?

How massive must a colliding body be to disturb Earth’s orbit?

Planets, Solar System

Why does Mercury have such a large core?

Alien Life, Planets

What would our solar system look like if aliens observed it with a telescope?

Asteroids: What are they made of and where do they come from?