Asteroid Diversity: Mixed Bag of Space Rocks Found Near Earth
Updated: 2010-09-03 00:02:14
September brings a new view of the night sky as the autumn constellations appear.
Astronomers peering at a gas-giant exoplanet found it has an atmosphere unlike that of any extrasolar planet yet studied.
By Alasdair Wilkins, io9
The atmosphere of a young exoplanet didn’t fit any of our existing models for what gas giants should look like. But when astronomers added huge dust clouds, it was a perfect fit, perhaps revealing a larger truth about gas giants.
The planet in question is HR 8799 b, a gas giant about seven [...]
Hot water discovered around a giant carbon star requires a new theory for the chemistry around stars to be explained. The new theory could significantly alter our understanding of what materials exist in interstellar space, and where water and life could exist in the universe.
“It makes us realize that the chemistry in all stars can [...]