Ask Astro | Page 18 of 21 | Astronomy.com

Ask Astro web extra: What is the nearest star to the Sun? How far away is it?

Ask Astro web extra: How warm does it get on Mars?

Ask Astro web extra: Why does the Moon look so large sometimes as it rises on the horizon?

Ask Astro web extra: What is the difference between astronomy and astrophysics?

Ask Astro web extra: What is the difference between an open cluster and a globular cluster?

Ask Astro web extra: How do X-ray telescopes work?

Ask Astro web extra: What is the difference between a nova and a supernova?

Ask Astro web extra: How many planets have been discovered beyond Pluto?

Ask Astro web extra: Do galaxies have magnetic fields?

Ask Astro web extra: Ever wonder why Mars is red?

Ask Astro web extra: Can an observer on Mars see Earth transit the Sun?

Ask Astro web extra: How does space junk affect the space station and other manned space vehicles?