A few days ago, millions of tons of super-heated gas shot off from the surface of the sun and hurtled 90 million miles toward Earth.
Space Exploration
May 24, 2021
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The first of the gas-giant orbiter's back-to-back flybys will provide a close encounter with the massive moon after over 20 years.
Space Exploration
Jun 04, 2021
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The visible surface of the sun, or the photosphere, is around 6,000°C. But a few thousand kilometers above it—a small distance when we consider the size of the sun—the solar atmosphere, also called the corona, is hundreds ...
Astronomy
May 25, 2021
23
1059
A pair of researchers at the University of Kent has found that tardigrades are able to survive impacts at speeds of up to 825 meters per second. In their paper published in the journal Astrobiology, Alejandra Traspas and ...
Solar physicists around the world have long been searching for satisfactory explanations for the sun's many cyclical, overlapping activity fluctuations. In addition to the most famous, approximately 11-year "Schwabe cycle", ...
Astronomy
Jun 14, 2021
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4566
The widely studied metallic asteroid known as 16 Psyche was long thought to be the exposed iron core of a small planet that failed to form during the earliest days of the solar system. But new University of Arizona-led research ...
Planetary Sciences
Jun 09, 2021
22
5350
A new map of dark matter in the local universe reveals several previously undiscovered filamentary structures connecting galaxies. The map, developed using machine learning by an international team including a Penn State ...
Astronomy
May 25, 2021
70
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Cloudy days are rare in the thin, dry atmosphere of Mars. Clouds are typically found at the planet's equator in the coldest time of year, when Mars is the farthest from the Sun in its oval-shaped orbit. But one full Martian ...
Planetary Sciences
May 28, 2021
9
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A team of researchers at the International Center for Relativistic Astrophysics has found evidence that suggests Sagittarius A* is not a massive black hole but is instead a mass of dark matter. In their paper published in ...
Solar panels against an alien landscape, ramps and rods pointing at the Martian horizon—China's first probe on the Red Planet has beamed back its first "selfies" after its history-making landing last week.
Space Exploration
May 19, 2021
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