What has been billed as the largest sunspot observed in several years has now rotated around to stare straight at Earth. How large is it? Active Region 1339 and the group of sunspots adjacent to it extends more than 100,000 ...
Space Exploration
Nov 11, 2011
2
0
The Sun emitted a strong solar flare, peaking at 7:57 p.m. EDT on Jan. 5, 2023. NASA's Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event.
Space Exploration
Jan 6, 2023
0
63
Researchers at CU Boulder have discovered hints that humanity's favorite star may have a dual personality, with intriguing discrepancies in its magnetic fields that could hold clues to the sun's own "internal clock."
Astronomy
Jun 12, 2019
6
876
The sun emitted a significant solar flare, peaking at 12:06 p.m. EDT on Sept. 10, 2017. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event. Solar flares are powerful bursts ...
Space Exploration
Sep 11, 2017
0
45
(Phys.org)—Taking a photo of the sun with a standard camera will provide a familiar image: a yellowish, featureless disk, perhaps colored a bit more red when near the horizon since the light must travel through more of ...
Space Exploration
Jan 23, 2013
2
2
Zeta Ophiuchi has had an interesting life. It began as a typical large star about twenty times more massive than the sun. It spent its days happily orbiting a large companion star until its companion exploded as a supernova ...
Astronomy
Jul 29, 2022
6
168
Antimatter has been detected in solar flares via microwave and magnetic-field data, according to a presentation by NJIT Research Professor of Physics Gregory D. Fleishman and two co-researchers at the 44th meeting of the ...
Plasma Physics
Jul 8, 2013
8
0
A fireworks show that has nothing to do with the Fourth of July and everything to do with the cosmos is poised to be visible across the northern United States and Europe just in time for Halloween.
Space Exploration
Oct 31, 2021
1
409
A strong solar flare is blasting its way to Earth, but the worst of its power looks like it will barely skim above the planet and not cause many problems.
Space Exploration
Sep 10, 2014
80
0
(PhysOrg.com) -- An international panel of experts has released a new prediction for the next solar cycle, stating that Solar Cycle 24 will peak in May 2013 with a below-average number of sunspots. Led by the National Oceanic ...
Space Exploration
May 27, 2009
5
0
