CubeSats are satellites constructed of cubic units, or U, a bit smaller than a square tissue box, or about 10 centimeters (about 4 inches) on each side. (A 2U CubeSat, for instance, is about the size of a rectangular tissue ...
Planetary Sciences
May 13, 2024
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6
The spectacular auroras that danced across the sky in many parts of the world over the weekend are fading, scientists said Monday, as the massive sunspot that caused them turns its ferocious gaze away from Earth.
Planetary Sciences
May 13, 2024
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39
Auroras lit up skies across swaths of the planet for the second night in a row on Saturday, after already dazzling Earthlings from the United States to Tasmania to the Bahamas the day before.
Planetary Sciences
May 12, 2024
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71
Even though Venus and Earth are so-called sister planets, they're as different as heaven and hell. Earth is a natural paradise where life has persevered under its azure skies despite multiple mass extinctions. On the other ...
Astrobiology
May 12, 2024
2
35
Artificial intelligence (AI) has progressed at an astounding pace over the last few years. Some scientists are now looking towards the development of artificial superintelligence (ASI)—a form of AI that would not only surpass ...
Astrobiology
May 11, 2024
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A powerful solar storm put on an amazing skyward light show across the globe overnight but has caused what appeared to be only minor disruptions to the electric power grid, communications and satellite positioning systems.
Planetary Sciences
May 11, 2024
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59
What did our ancestors think when they looked up at the night sky? All cultures ascribed special meaning to the sun and the moon, but what about the pearly band of light and shadow we call the Milky Way?
Astronomy
May 11, 2024
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80
One of the biggest mysteries in astrophysics today is that the forces in galaxies do not seem to add up. Galaxies rotate much faster than predicted by applying Newton's law of gravity to their visible matter, despite those ...
Astronomy
May 10, 2024
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1834
Using NASA's Chandra X-ray Observatory, astronomers have located an exhaust vent attached to a "chimney" of hot gas blowing away from the center of the Milky Way galaxy. Their paper describing these results is published in ...
Astronomy
May 10, 2024
1
124
Astronomers have proposed a new theory to explain the origin of phosphorus, one of the elements important for life on Earth. The theory suggests a type of stellar explosion known as "ONe novae" as a major source of phosphorus.
Astronomy
May 10, 2024
0
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