Dust is the most vital organ in galaxies. It absorbs and scatters stellar light, a phenomenon that is referred to as dust attenuation. On the other hand, dust emits this absorbed radiation thermally in the infrared. Normally, ...
Astronomy
Nov 6, 2023
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33
The Fomalhaut system is nearby in astronomical terms, and it's also one of the brightest stars in the night sky. That means astronomers have studied it intensely over the years. Now that we have the powerful James Webb Space ...
Astronomy
Oct 31, 2023
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28
Around 66 million years ago, an asteroid bigger than Mount Everest smashed into Earth, killing off three quarters of all life on the planet—including the dinosaurs.
Earth Sciences
Oct 30, 2023
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302
A research team led by Prof. Zhao Chun from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) has developed a global variable-resolution modeling framework and conducted research ...
Earth Sciences
Oct 16, 2023
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1
It may be possible to create paved roads and landing pads on the moon by using lasers to melt lunar soil into a more solid, layered substance, reports a proof-of-concept study in Scientific Reports. Although these experiments ...
Space Exploration
Oct 12, 2023
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50
Plant pathogens can hitch rides on dust and remain viable, with the potential for traveling across the planet to infect areas far afield, a finding with important implications for global food security and for predicting future ...
Earth Sciences
Oct 10, 2023
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45
The circumstellar envelopes (CSE) of asymptotic giant branch (AGB) stars contain a large number of molecules, which account for about one-third of all molecules discovered in interstellar space.
Astronomy
Oct 9, 2023
0
52
Dust deposited on a glacier's surface can reduce the albedo of the ice and increase absorption efficiency of solar radiation, which has a significant impact on glacier melting and global climate change.
Earth Sciences
Oct 9, 2023
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23
The air was dry and warm and the skies over Dushanbe were gray without a hint of sun during another recent toxic sand storm that enveloped the capital of Tajikistan.
Environment
Oct 8, 2023
0
88
Solving the mystery of how planets like Earth were formed is an important question for understanding the origin of life. Planets are thought to form when interstellar dust and gas collect in a protoplanetary disk surrounding ...
Astronomy
Oct 6, 2023
0
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