Sunday, October 18, 2009

Mysterious Ribbon Around Solar System

Whale's Eye Star and Cluster, Hubble Space Telescope

"We thought we knew everything about everything, and it turned out that there were unknown unknowns." Richard Fisher, Director of NASA's Heliophysics Division, upon discovery of a mysterious ribbon around our solar system —- a stripe made of hydrogen —- that defies all current expectations about what the edge of the solar system might look like.

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