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Posts Tagged "rosetta"

Life, Unbounded

Astrobiology Roundup: Planets, Moons, and Stinky Comets

Credit: NASA

Scientific discoveries across all fields just keep coming and coming. Here’s a small assortment of goodies from the past couple of weeks. How do you form planets around stars in triple systems? You feed them of course. New data from the Atacama Large Millimeter/submillimeter Array (ALMA) telescope in northern Chile has probed the gas and [...]

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Life, Unbounded

Summer Shorts: A Cometary Rubber Duck

Rosetta images of comet nucleus (ESA/Rosetta/MPS for OSIRIS Team)

It’s summer in the northern hemisphere of a small, damp, planet orbiting a middle-aged star in a spiral galaxy of matter enjoying a brief heyday before colliding with another galaxy in some 4 billion orbits of the same small, damp, planet. Time for some brief stories.   ESA’s Rosetta mission, reported on in an earlier [...]

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Life, Unbounded

Sneaking up on a Sweaty Comet

(ESA)

Over the coming month the European Space Agency’s (ESA) Rosetta mission will fire its main engines no less than eight times to tweak its interplanetary intercept course with Comet Churyumov–Gerasimenko; eventually sidling up to the 4 kilometer wide cometary nucleus at about 7.9 meters per second in early August. At that point, with some gentler [...]

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Observations

Countdown to the Kuiper Belt [Videos]

For the first time two spacecraft will soon make up-close studies of objects from the solar system’s Kuiper Belt, a mysterious region beyond Neptune’s orbit. There, billions of icy asteroids represent pristine examples of the raw building blocks of the solar system’s planets. NASA’s New Horizons mission will visit the Kuiper Belt’s largest member, the [...]

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