News tagged with grains

Dust grains highlight the path to planet formation

(Phys.org)—An international team of researchers from the National Astronomical Observatory of Japan (NAOJ) and the Japanese universities of Kobe, Hyogo, and Saitama used the Subaru Telescope to capture ...

Nov 28, 2012
5 / 5 (4) 0

Interstellar dust and the sun

(Phys.org)—The space between stars is not empty. It contains copious but diffuse amounts of gas and dust; in fact about 5-10% of the total mass of our Milky Way galaxy is in interstellar gas. About 1% of ...

Nov 12, 2012
5 / 5 (3) 17 | with audio podcast

Why 'singing' sand dunes hum certain notes

What does Elvis Presley have in common with a sand dune? No, it's not that people sometimes spot both in the vicinity of Las Vegas. Instead, some sand dunes, like The King, can sing. And new research looking ...

Oct 25, 2012
4.8 / 5 (5) 1 | with audio podcast

Large water reservoirs at the dawn of stellar birth

(Phys.org)—ESA's Herschel space observatory has discovered enough water vapour to fill Earth's oceans more than 2000 times over, in a gas and dust cloud that is on the verge of collapsing into a new Sun-like ...

Oct 09, 2012
4.9 / 5 (7) 31 | with audio podcast