Space Dust

Karin Sandstrom studies the interstellar medium - the dust and gas in galaxies and between stars, and especially how ultraviolet light interacts with soot-like polycyclic aromatic hydrocarbons. That, she says, is key to everything - how stars (and planets) form, how galaxies evolve, and perhaps how life emerged. Series: "Women in Science" [Science] [Show ID: 30014]