When Earth formed 4.5 billion years ago, any phosphorus that was present likely sank into the molten core because of the element's distinct chemical properties. However, phosphorus is essential for life; it is found in DNA, ...
Planetary Sciences
Nov 17, 2021
1
256
Stars are born from turbulent 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 a protostar. This star-forming ...
Astronomy
Nov 17, 2021
0
18
This NASA Hubble Space Telescope image captures a portion of the reflection nebula IC 2631 that contains a protostar, the hot, dense core of a forming star that is accumulating gas and dust. Eventually the protostar may gravitationally ...
Astronomy
Nov 15, 2021
2
26
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 ...
The Parker Solar Probe spacecraft, NASA's newest and most ambitious effort to study the sun, has broken a lot of records: it has gotten closer to the sun than any other spacecraft to date, its instruments have operated at ...
Condensed Matter
Nov 8, 2021
0
334
Comets are icy and dusty snowballs of material that have remained relatively unchanged since they first formed billions of years ago. Studying the small bodies provides clues about the formation of the solar system.
Condensed Matter
Nov 3, 2021
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269
The interaction of dust particles in Martian dust storms may cause electric fields that are powerful enough to have charges that induce standing electromagnetic waves known as Sсhumann resonances. This is the conclusion ...
Astronomy
Nov 3, 2021
0
87
Asteroids are remnants of the early Solar System, with the potential to reveal secrets of our planet's origins. But they could also bring an end to life on Earth. Now two missions, Lucy and DART (Double Asteroid Redirection ...
Space Exploration
Oct 15, 2021
0
34
An international team of astronomers led by scientists from Leiden University has for the first time characterized a dust disk surrounding a young super-Jupiter, which is either a giant planet or brown dwarf. They used so-called ...
Astronomy
Oct 13, 2021
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38
Unusually powerful sandstorms have left at least six people dead in Sao Paulo in recent weeks, local media said, as southeastern Brazil grapples with severe drought.
Environment
Oct 8, 2021
0
54
