On August 1, 2010, an entire hemisphere of the sun erupted. Filaments of magnetism snapped and exploded, shock waves raced across the stellar surface, billion-ton clouds of hot gas billowed into space. Astronomers knew they ...
Space Exploration
Dec 14, 2010
42
0
The cosmos comes alive in an all-sky time-lapse movie made from 14 years of data acquired by NASA's Fermi Gamma-ray Space Telescope. Our sun, occasionally flaring into prominence, serenely traces a path through the sky against ...
Astronomy
Dec 20, 2023
0
359
A stream of highly charged particles from the sun is headed straight toward Earth, threatening to plunge cities around the world into darkness and bring the global economy screeching to a halt.
Space Exploration
May 8, 2012
7
0
Twisted "ropes" of magnetic field lines erupt from the Sun and tanglewith the Earth's magnetic field.
Plasma Physics
Nov 8, 2010
4
0
An international science team says NASA's Fermi Gamma-ray Space Telescope has observed high-energy light from solar eruptions located on the far side of the sun, which should block direct light from these events. This apparent ...
Astronomy
Jan 30, 2017
0
804
Researchers at the University of Helsinki have succeeded in something that has been pursued since the 1970s: explaining the X-ray radiation from black hole surroundings. The radiation originates from the combined effect of ...
Astronomy
Aug 20, 2024
0
447
The sun emitted a strong solar flare, peaking at 4:55 p.m. EST, on Dec. 31, 2023. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.
Astronomy
Jan 3, 2024
0
45
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
0
68
(PhysOrg.com) -- A new map combining nearly three months of data from NASA's Fermi Gamma-ray Space Telescope is giving astronomers an unprecedented look at the high-energy cosmos. To Fermi's eyes, the universe is ablaze with ...
Astronomy
Mar 11, 2009
0
2
The Moon is not the most hospitable place for growing fruits and vegetables. The lack of atmosphere and natural water, extreme temperatures, and exposure to cosmic rays present some serious challenges for future inhabitants ...
