An international research team led by a researcher from the University of Vienna has for the first time directly detected stellar winds from three sun-like stars by recording the X-ray emission from their astrospheres, and ...
Astronomy
Apr 12, 2024
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199
It's beginning to look a lot like the holiday season in this NASA Hubble Space Telescope image of a blizzard of stars, which resembles a swirling snowstorm in a snow globe.
Astronomy
Dec 12, 2017
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31
We do not yet know whether the sun-like stars closest to us, the α Centauri A/B binary, harbor an Earth-like planet. However, thanks to new modeling work, we now have a good sense of what such a planet, should it exist, ...
Space Exploration
Mar 10, 2022
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113
As we began to discover hundreds, then thousands of exoplanets, we found that there were two types of worlds unlike anything in our solar system. The first are super-Earths. These worlds straddle the line between large rocky ...
Planetary Sciences
Oct 5, 2023
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5
The 11-year solar activity cycle is a well-known phenomenon, during which the intensity of the sun's magnetic field varies and its polarities reverse. Over the past 30 years, astronomers have identified similar behavior in ...
Astronomy
Oct 25, 2023
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7
Earth is our only example of a habitable planet, so it makes sense to search for Earth-size worlds when we're hunting for potentially-habitable exoplanets. When astronomers found seven of them orbiting a red dwarf star in ...
Planetary Sciences
Oct 23, 2023
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45
NASA has indicated that 5,030 extrasolar planets have been confirmed in 3,772 systems, with another 8,974 candidates awaiting confirmation. With next-generation instruments like the James Webb Space Telescope (JWST) coming ...
Astronomy
May 23, 2022
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69
Photosynthesis is probably the most important chemical reaction for life on Earth. It is the process plants use to transform sunlight into energy it can use. Through it, plants can produce carbohydrates they can use (and ...
Astrobiology
Sep 26, 2022
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5
NASA's planet-hunting Kepler spacecraft began the 18th observing campaign of its extended mission, K2, on May 12. For the next 82 days, Kepler will stare at clusters of stars, faraway galaxies, and a handful of solar system ...
Astronomy
May 24, 2018
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