Ask Astro | Page 16 of 20 | Astronomy.com

Ask Astro web extra: Our Sun appears yellow, but the sky isn’t. Why?

Is it true that there are more stars in the universe than there are grains of sand on Earth? How could one calculate such figures?

Ask Astro web extra: What is the Sun’s hottest temperature?

Ask Astro web extra: What are the surface conditions like on Uranus?

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?