Ask Astro | Page 17 of 20 | Astronomy.com

Ask Astro web extra: What would the Sun’s rays do to Earth if the ozone layer was no longer present?

Ask Astro web extra: What happens to matter that falls into a black hole?

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?