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By in
on Nov 24, 2012

Local interstellar clouds

The interstellar medium around the sun. We are passing through tenuous clouds of gas and dust. The gas is as sparse as a handful of air stretched over a column hundreds of light-years long. Credit: NASA/Goddard/Adler/U. Chicago/Wesleyan

The interstellar medium around the sun.  We are passing through tenuous clouds of gas and dust.  The gas is as sparse as a handful of air stretched over a column hundreds of light-years long.  Credit: NASA/Goddard/Adler/U. Chicago/Wesleyan

Local interstellar clouds