Manufacturers add synthetic antioxidants to plastics, rubbers and other polymers to make them last longer. However, the health effects of these compounds, and how readily they migrate into the environment, are largely unknown. ...
Materials Science
Dec 15, 2021
0
336
The world's first 3D simulation simultaneously considering dust motion and growth in a disk around a young star has shown that large dust from the central region can be entrained by and then ejected by gas outflows, and eventually ...
Astronomy
Dec 14, 2021
0
143
NASA will launch four Earth science missions in 2022 to provide scientists with more information about fundamental climate systems and processes including extreme storms, surface water and oceans, and atmospheric dust. Scientists ...
Planetary Sciences
Dec 13, 2021
0
43
Planetary scientist Erdal Yiğit, with George Mason University, has published a Perspective piece in the journal Science suggesting that upper atmospheric interactions with solar wind cannot fully explain the loss of surface ...
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
There's a pretty significant disadvantage to going really fast—if you get hit with anything, even if it is small, it can hurt. So when the fastest artificial object ever—the Parker Solar Probe—gets hit by grains of ...
Space Exploration
Nov 30, 2021
0
36
Water is vital for life on Earth, and some experts say we should all drink around two liters every day as part of a healthy lifestyle. But beyond the tap, where does our water come from?
Earth Sciences
Nov 30, 2021
0
36
A new study by University of Maryland astronomers shows that comet Bernardinelli-Bernstein (BB), the largest comet ever discovered, was active long before previously thought, meaning the ice within it is vaporizing and forming ...
Astronomy
Nov 29, 2021
0
13247
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
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