Down'n'Dirty With Interstellar Dust | WAMU 88.5 - American University Radio

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Down'n'Dirty With Interstellar Dust

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Interstellar gas, shot by the Hubble Space Telescope.
J. Hester and P. Scowen
Interstellar gas, shot by the Hubble Space Telescope.

You can't see them with the naked eye, but teeny-tiny particles exist between stars. This interstellar dust is a particular nuisance to astrophysicists, whose observations and measurements can be distorted by these "cosmic grains." An American University professor is one of 200 people in the world studying the topic; Rebecca Sheir visits U.J. Sofia to learn why, though the particles are small, the issue is pretty darn big.

[Music: "Sky Diver" by Owl City from Maybe I'm Dreaming]

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