Comets | Page 9 of 22 | Astronomy.com

Robotic Spaceflight, Solar System

Rosetta reveals comet’s water-ice cycle

Comet Hitchhiker would take tour of small bodies

Exoplanets, Observing, Planets, Solar System

Morning planet spectacle

Robotic Spaceflight, Solar System

Rosetta sees comet’s fireworks display ahead of perihelion

Robotic Spaceflight, Solar System

Philae lander finds ingredients for life

Web Extra: Under Rosetta’s watchful eye

Exoplanets, Observing, Planets, Solar System, The Moon

Totality’s long embrace

Robotic Spaceflight, Solar System

Rosetta spacecraft sees sinkholes on comet

Alien Life, Robotic Spaceflight, Solar System

Exposed water ice detected on Rosetta comet’s surface

Astronomers recently discovered that Scholz’s star passed close to the Sun 70,000 years ago. Wouldn’t its gravity have sent Oort Cloud comets raining into the inner planets?

You can clearly see boulders on comets and asteroids. What are these?

Exoplanets, Observing, Planets, Solar System, The Moon

Perseids reign supreme