Tag: solar system
It turns out our solar system is weird: it doesn't have any rocky "super-Earths" orbiting closer to the sun than Mercury. Here's one theory as to why: like Miley Cyrus, Jupiter came in like a wrecking ball and smashed any nascent terrestrial planets just as the solar system was forming.
The large asteroid Vesta has added flows of material rich in water to its bag of tricks. It's just one more way this small world acts like a proper planet.
After several months of analysis of Comet 67P/Churyumov-Gerasimenko, the European Space Agency's Rosetta spacecraft has yielded some intriguing, and maybe, unexpected results. The data is refueling a long-running debate in the scientific community about a matter closer to home: the origin of Earth's oceans.
UC Davis is acquiring a chunk of meteorite that landed in Northern California last year. The meteorite's age makes it rare and valuable. It contains dust from ancient stars that exploded, the same stuff that eventually formed our solar system.