A grain of dust forged in the death throes of a long-gone star was discovered by a team of researchers led by the University of Arizona.
Astronomy
Apr 29, 2019
3
545
What do tiny specks of silicon carbide stardust, found in meteorites and older than the solar system, have in common with pairs of aging stars prone to eruptions?
Astronomy
Mar 1, 2019
2
222
Astronomers have used NASA's Hubble Space Telescope to uncover a vast, complex dust structure, about 150 billion miles across, enveloping the young star HR 4796A. A bright, narrow, inner ring of dust is already known to encircle ...
Astronomy
Mar 6, 2018
0
418
When exoplanet scientists first spotted patterns in disks of dust and gas around young stars, they thought newly formed planets might be the cause. But a recent NASA study cautions that there may be another explanation—one ...
Astronomy
Jan 11, 2018
1
310
A team of U.S. astronomers studying the star RZ Piscium has found evidence suggesting its strange, unpredictable dimming episodes may be caused by vast orbiting clouds of gas and dust, the remains of one or more destroyed ...
Astronomy
Dec 21, 2017
3
441
Light from a supernova explosion in the nearby starburst galaxy M82 is reverberating off a huge dust cloud in interstellar space.
Astronomy
Nov 9, 2017
4
303
The ALMA Observatory has detected dust around Proxima Centauri. These observations reveal the glow coming from cold dust in a region between one to four times as far from Proxima Centauri as the Earth is from the Sun. The ...
Astronomy
Nov 3, 2017
2
504
(Phys.org)—A team of researchers affiliated with several institutions in Japan has found evidence showing that condensed aluminum oxide dust surrounding the star W Hydrae plays a key role in accelerating the stellar wind. ...
(Phys.org)—A team of Brazilian astronomers, led by Denilso Camargo of the Federal University of Rio Grande do Sul in Porto Alegre, has discovered seven new embedded clusters located unusually far away from the Milky Way's ...
A violent outburst by the young star V883 Orionis has given astronomers their first view of a water "snowline" in a protoplanetary disk - the transition point around the star where the temperature and pressure are low enough ...
Astronomy
Jul 13, 2016
0
1342
