Exotic Objects, Solar System Ask Astro: What are the chances of dark matter or a black hole ripping apart Earth?
Science Ask Astro web extra: How does Earth compare to the rest of the planets in our solar system in radio wave emission?
Science Ask Astro web extra: Does a star stay at the same spot in the sky everyday? If not, is it considered a star, or some other unidentified object?
Exoplanets Ask Astro web extra: Has anyone pointed a telescope toward Alpha Centauri to see if there are planets only 4 light-years away?
Exoplanets Ask Astro web extra: Do Kepler’s laws apply to all extrasolar planet systems or just our solar system?
Science Ask Astro web extra: Will all white dwarfs, regardless of the class of star that produced them, eventually become black dwarfs?
Cosmology Ask Astro web extra: What was the size of the universe immediately before and after inflation?
