What is Cosmic Dust; and Where Does It Come From?

March 20, 2015 5:56 AM

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What is Cosmic Dust; and Where Does It Come From?

Cornell University astronomer Ryan Lau shares, “It’s been known that ‘we are all made of star stuff,’ but the details of how newly formed ‘star stuff’ survives to later become the seeds for stars and planets is a bit murky.”

Lau is the lead author of a recent study investigated the prolific nature of this cosmic dust. He says that one possible source of ancient cosmic dust could be that “some less powerful stars that don’t go supernova go through a phase where they gently blow off their innards and form dust. However, t...

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