New analysis of ash clouds created from large volcanic eruptions shows the temporary cooling effects are changed as the environment becomes hotter.
Earth Sciences
Aug 4, 2022
0
7
New images using data from ESA (European Space Agency) and NASA missions showcase the gas and dust that fill the space between stars in four of the galaxies closest to our own Milky Way. More than striking, the snapshots ...
Astronomy
Jun 16, 2022
0
111
Iraq temporarily closed Baghdad airport Monday as choking clouds of dust blanketed the capital, the latest crippling sandstorm in a country that has warned climate change poses an "existential threat".
Environment
Jun 13, 2022
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22
Every year several billion metric tons of mineral dust are lofted into the atmosphere from the world's arid regions, making dust one of the most abundant types of aerosol particles in the atmosphere. Now, scientists are learning ...
Environment
Mar 9, 2022
0
51
More than 30 years ago the Infrared Astronomy Satellite discovered that the universe contained many almost invisible yet enormously luminous galaxies—some of them more than 1,000 times brighter than our own Milky Way. These ...
Astronomy
Mar 4, 2022
0
130
Documentaries about the climate crisis are often illustrated with spectacular satellite images of forest fires, hurricanes and flooded landscapes. People around the world weather these conditions with little control over ...
Environment
Feb 23, 2022
0
11
What was previously identified as a gas and dust cloud at the center of our galaxy actually consists of three very young stars. That is the result of a new study led by scientists from the University of Cologne's Institute ...
Astronomy
Dec 10, 2021
1
260
The Flame Nebula or NGC 2024 is a large star-forming region in the constellation Orion that lies about 1,400 light-years from Earth. Hubble studied this nebula to look for protoplanetary disks, or "proplyds"—disks of gas ...
Astronomy
Nov 23, 2021
0
42
Stars are born from clouds of gas and dust that collapse under their own gravitational attraction. As the cloud collapses, a dense, hot core forms and begins gathering dust and gas, creating an object called a "protostar."
Astronomy
Nov 18, 2021
2
88
A team of researchers at the Chinese Academy of Sciences has found evidence of a powerful particle accelerator in the galactic center. In their paper published in the journal Nature Communications, the group describes their ...
