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Tag: solar system

Hypothesis: Our Solar System Lacks ‘Super-Earths’ Because Jupiter Wrecked Them All

KQED Science | March 23, 2015 | 2 Comments

Hypothesis: Our Solar System Lacks ‘Super-Earths’ Because Jupiter Wrecked Them All

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.

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The Supposedly Dry Little World of the Asteroid Vesta Reveals Signs of Water

KQED Science | January 29, 2015 | 0 Comments

The Supposedly Dry Little World of the Asteroid Vesta Reveals Signs of Water

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.

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New Data from Rosetta Spacecraft Sheds Light on Origins of Earth’s Oceans

KQED Science | December 24, 2014 | 1 Comment

New Data from Rosetta Spacecraft Sheds Light on Origins of Earth’s Oceans

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.

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Rare Meteorite Lands Permanently at UC Davis

KQED Science | August 21, 2013 | 0 Comments

Rare Meteorite Lands Permanently at UC Davis

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.

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