Comets
Will We Contaminate Europa?
Europa is probably the best place in the Solar System to go searching for life. But before they're launched, any…
Weekly Space Hangout – Oct. 30, 2015: Yoav Landsman and the Enceladus Flyby
Host: Fraser Cain (@fcain) Special Guest: Yoav Landsman,WSH Crew Member; Principal System Engineer at SpaceIL; member of first GLXP to…
Is Jupiter Our Friend Or Enemy?
Like me, you’re probably a little ego-geocentric about the importance of Earth. It’s where you were born, it’s where you…
Solar System Guide
The Universe is a very big place, and we occupy a very small corner of it. Known as the Solar…
More Evidence That Comets May Have Brought Life to Earth
The idea of panspermia -- that life on Earth originated from comets or asteroids bombarding our planet -- is not…
Spectacular Celestial Fireworks Commemorate Perihelion Passage of Rosetta’s Comet
Sequence of OSIRIS narrow-angle camera images from 12 August 2015, just a few hours before the comet reached perihelion. Credits:…
Why is it Tough to Land on a Comet?
Why is landing on a comet so difficult and what does this tell us about future missions to comets and…
What is the Oort Cloud?
At the edge of the Solar System, there exists a large cloud of icy material and rock, which is where…
Rosetta Orbiter Approved for Extended Mission and Bold Comet Landing
Rosetta will attempt comet landing This single frame Rosetta navigation camera image of Comet 67P/Churyumov-Gerasimenko was taken on 15 June…
Rosetta Discovery of Surprise Molecular Breakup Mechanism in Comet Coma Alters Perceptions
A NASA science instrument flying aboard the European Space Agency's (ESA) Rosetta spacecraft has made a very surprising discovery -…