Galaxy Map

Oct-18-09 NASA's IBEX (Interstellar Boundary Explorer) spacecraft has given scientists the tools to construct the first comprehensive sky map of our solar system and where it resides in the Milky Way galaxy.

The sky map was produced with data collected by two detectors on the IBEX. The new map shows the region that separates the nearest reaches of our galaxy, called the local interstellar medium, from our heliosphere - a protective bubble that shields and protects our solar system from most of the dangerous cosmic radiation traveling through space.

"For the first time, we're sticking our heads out of the sun's atmosphere and beginning to really understand our place in the galaxy," said David J. McComas, IBEX principal investigator.

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