The phenomenon of hot dust rings—an accumulation of submicrometer-sized particles in the immediate vicinity of stars—was first discovered outside our solar system in 2006. They form so close to stars that they can reach ...
Astronomy
Oct 6, 2020
1
181
The matter between the stars in a galaxy—called the interstellar medium—consists not only of gas, but also of a great deal of dust. At some point in time, stars and planets originated in such an environment, because the ...
Astronomy
Sep 22, 2020
42
1102
Chat with an atmospheric scientist for more than a few minutes, and it's likely they'll start advocating for a planetary name change. Planet Ocean-Cloud is much more fitting than Earth, they'll say, when so much of our planet's ...
Earth Sciences
Sep 16, 2020
1
74
New studies of a rare type of meteorite show that material from close to the Sun reached the outer solar system even as the planet Jupiter cleared a gap in the disk of dust and gas from which the planets formed. The results, ...
Astronomy
Sep 8, 2020
0
430
A mystery surrounding the space around our solar system is unfolding thanks to evidence of supernovae found in deep-sea sediments.
Astronomy
Aug 25, 2020
8
238
A new analytic model for calculating the effective thermal conductivity of planetary regolith allows scientists to better understand the connections between the physical and thermal properties of planetary surfaces and the ...
Space Exploration
Jul 29, 2020
0
24
Currently, there are no specific guidelines on the most effective materials and designs for facemasks to minimize the spread of droplets from coughs or sneezes to mitigate the transmission of COVID-19. While there have been ...
General Physics
Jun 30, 2020
13
11368
The history of our planet has been written, among other things, in the periodic reversal of its magnetic poles. Scientists at the Weizmann Institute of Science propose a new means of reading this historic record: in ice. ...
Earth Sciences
Jun 29, 2020
0
9
Dust storms from Africa's Saharan Desert traveling across the Atlantic Ocean are nothing new, but the current dust storm has been quite expansive and NASA satellites have provided a look at the massive June plume. NASA-NOAA's ...
Environment
Jun 26, 2020
0
28
The southeastern U.S. is getting dusted by the Sahara.
Earth Sciences
Jun 18, 2020
20
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