Ask Astro | Page 18 of 20 | Astronomy.com

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

Ask Astro web extra: Why do astronomers use the term right ascension?

Ask Astro web extra: How do astronomers hunt for exoplanets?

Ask Astro web extra: Why do the Sun and Moon appear large when rising or setting?

Ask Astro web extra: What is the difference between an asteroid and comet?

Do we know how many dimensions there are?

Science, Solar System

After our Sun dies, will the planets still orbit it?

How large a body would it take to make a crater as wide as the Gulf of Mexico?

Why don’t the winter and summer temperature extremes occur at the solstices?

Why hasn’t NASA flown a microphone to Mars? Will future probes, to places like Europa, carry audio sensors?

Why do physicists think gravity travels at the speed of light?

When a gravitational lens magnifies a background galaxy, why don’t we see the object doing the lensing, as we would if looking through an optical lens?