Astronomy Staff, Author at Astronomy.com | Page 107 of 277

Ask Astro web extra: Have we found multiple planet systems around other stars?

Observing, Telescopes and Equipment

Is there a difference between visual and imaging filters?

With many new planet discoveries being hot Jupiters, is it possible that Mercury is the leftover core of a gas giant?

I’ve heard that wormholes could make time travel in the future possible. How realistic is this phenomenon?

I heard that the light from nuclear fusion reactions in the Sun’s core takes about 200,000 years to reach its surface. I thought the speed of light is constant. Why does it take so long?

Milky Way, Science, Stars

Hyperfast star was booted from Milky Way

Science, Solar System

NASA telescope finds elusive buckyballs in space for first time

Exotic Objects, Science

Subaru telescope detects clues for understanding the origin of mysterious dark gamma-ray bursts

Robotic Spaceflight, Science, Solar System, Space Exploration

Cassini sees moon building giant snowballs in Saturn ring

Astronomers find a 300 solar mass star

Cosmology, Science

Radio astronomers develop new technique for studying dark energy

NASA’s WISE mission completes first extensive sky survey