Solar physicists have captured the first direct observational signatures of resonant absorption, thought to play an important role in solving the "coronal heating problem" which has defied explanation for over 70 years.
Space Exploration
Aug 23, 2015
25
775
On July 5, 2017, NASA's Solar Dynamics Observatory watched an active region—an area of intense and complex magnetic fields—rotate into view on the Sun. The satellite continued to track the region as it grew and eventually ...
Space Exploration
Aug 4, 2017
0
129
When destined to stay close to Earth, spacecraft often must withstand the hazards of our space environment. They can be exposed to regular radiation showers from the sun and - if the space weather is particularly intense, ...
Space Exploration
Jul 10, 2015
0
573
NASA's Goddard Space Flight Center in Greenbelt, Md. is pleased to announce that its Space Weather App, previously only available for iPhone users, is now available for users of Android smartphone and tablet users. The Space ...
Space Exploration
Feb 28, 2012
3
0
The latest mission in India's ambitious space program blasted off Saturday on a voyage towards the center of the solar system, a week after the country's successful unmanned moon landing.
Space Exploration
Sep 2, 2023
0
608
This montage of 365 images shows the changing activity of our sun through the eyes of ESA's Proba-2 satellite during 2018. The images were taken by the satellite's SWAP camera, which works at extreme ultraviolet wavelengths ...
Space Exploration
Jan 28, 2019
0
24
(Phys.org) —A University of Alabama in Huntsville graduate student and a recent UAH doctoral graduate are exploring surprising data from Voyager 1's crossing of the heliopause into the interstellar medium of our galaxy.
Space Exploration
Sep 25, 2013
8
0
Large and small scale solar eruptions might all be triggered by a single process, according to new research that leads to better understanding of the Sun's activity.
Space Exploration
Apr 26, 2017
12
251
Modern telescopes and satellites have helped us measure the blazing hot temperatures of the sun from afar. Mostly the temperatures follow a clear pattern: The sun produces energy by fusing hydrogen in its core, so the layers ...
Space Exploration
Aug 25, 2015
1
717
From our vantage point on the ground, the sun seems like a still ball of light, but in reality, it teems with activity. Eruptions called solar flares and coronal mass ejections explode in the sun's hot atmosphere, the corona, ...
Space Exploration
May 10, 2016
4
402
