“Shocking” Finding On Solar System’s Shield.

Written by The Night Sky Guy on May 10, 2012 – 8:56 pm -

Hubble image of distant star with gaseous bubble-like shield

According to a new discovery by NASA probe, our sun is moving through our part of the galaxy slower than previously thought,

From its orbit around Earth, the Interstellar Boundary Explorer (IBEX) satellite measured the speeds of interstellar particles entering at the fringes of our solar system, 9 billion miles (14.5 billion kilometers) from the sun.

Plugging the new data into computer models, the IBEX team calculates that the sun is moving at about 52,000 miles (83,700 kilometers) an hour—about 7,000 miles (11,000 kilometers) slower than thought.

Why is this shocking for scientists and what does this mean for our search for life? Read the rest of my story on National Geographic News

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