On March 23, sky observers marveled at a gorgeous display of northern and southern lights. It was reminder that when our sun gets active, it can spark a phenomenon called "space weather." Aurorae are among the most benign ...
Planetary Sciences
Apr 3, 2023
0
116
Nothing lasts forever, including the stars in our night sky. One of the brighter and more notable stars in our sky is Betelgeuse, the bright red supergiant in the shoulder of Orion.
Astronomy
Aug 16, 2022
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824
On August 20, 2013 at 4:24 am EDT, the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon which can send billions of tons of particles into space that can reach Earth one to three days later. ...
Space Exploration
Aug 20, 2013
14
0
Scientists at the University of Graz, in collaboration with researchers from Skoltech, have achieved a breakthrough in solar physics by utilizing artificial intelligence to simulate the magnetic field in the upper atmosphere ...
Astronomy
Jul 14, 2023
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307
(Phys.org) —NASA's Voyager 1 spacecraft has experienced a new "tsunami wave" from the sun as it sails through interstellar space. Such waves are what led scientists to the conclusion, in the fall of 2013, that Voyager had ...
Space Exploration
Jul 8, 2014
9
0
Nearly a year and a half into its mission, Parker Solar Probe has returned gigabytes of data on the Sun and its atmosphere. Following the release of the very first science from the mission, five researchers presented additional ...
Space Exploration
Dec 11, 2019
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454
New models of massive stellar eruptions hint at an extra layer of complexity when considering whether an exoplanet may be habitable or not. Models developed for our own Sun have now been applied to cool stars favoured by ...
Astronomy
Jul 3, 2017
3
466
April 17, 2021, was a day like any other day on the sun, until a brilliant flash erupted and an enormous cloud of solar material billowed away from our star. Such outbursts from the sun are not unusual, but this one was unusually ...
Astronomy
Mar 4, 2024
0
392
Proxima Centauri, the closest star to the Earth (only 4.28 light-years away) is getting a lot of attention these days. It hosts a planet, Proxima Cen b, whose mass is about 1.3 Earth-mass (though it could be larger, depending ...
Astronomy
Apr 3, 2017
4
389
If you still have your solar viewing glasses from the eclipse, now is a good time to slap them on and look up at the sun. You'll see two big dark areas visible on our star. These massive sunspots are regions of intense and ...
Space Exploration
Sep 8, 2017
14
281
