An international team of scientists has discovered a huge spike in radiocarbon levels 14,300 years ago by analyzing ancient tree-rings found in the French Alps.
Astronomy
Oct 9, 2023
3
401
Euclid has found its "lost" guide stars as a software patch has solved its navigation woes and the next six years of observation schedules have been redesigned to avoid stray sunlight: it's the end of an interesting commissioning ...
Astronomy
Oct 6, 2023
0
33
Barnard's Star is a small red dwarf just six light-years from Earth. Despite its proximity, it was only noticed in 1916 when E. E. Barnard found it had a particularly high proper motion. It had appeared in photographic plates ...
Astronomy
Oct 2, 2023
0
36
What do you feel when you see the aurora?
Planetary Sciences
Aug 15, 2023
0
101
The sun emitted a strong solar flare, peaking at 6:21 p.m. EDT on Aug. 5, 2023. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.
Planetary Sciences
Aug 8, 2023
1
36
The sun emitted a strong solar flare, peaking at 7:14 p.m. ET on July 2, 2023. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.
Astronomy
Jul 3, 2023
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68
Solar flares are known to be prolific electron accelerators, yet identifying the mechanism(s) for such efficient electron acceleration in magnetic reconnection events at the sun (and similar astrophysical settings) presents ...
Astronomy
Jun 21, 2023
0
35
The mystery of a stellar flare a trillion times more powerful than the largest of solar flares may have been solved by a team of scientists who believe a massive young planet is burning up in a superheated soup of raw material ...
Astronomy
Jun 12, 2023
0
26
The sun's rotation produces changes in its magnetic field, which flips completely every 11 years or so, triggering a phase of intense activity. Solar flares—huge eruptions from the surface of the sun lasting minutes or ...
Astronomy
May 16, 2023
0
115
Southwest Research Institute (SwRI) scientists observed the first close-ups of a source of energetic particles expelled from the sun, viewing them from just half an astronomical unit (AU), or about 46.5 million miles. The ...
Astronomy
May 15, 2023
0
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