A solar 'radio eclipse' ring of fire
On October 14, as most Californians were treated to a partial solar eclipse, researchers at the Owens Valley Radio Observatory (OVRO) took in a different view.
On October 14, as most Californians were treated to a partial solar eclipse, researchers at the Owens Valley Radio Observatory (OVRO) took in a different view.
Astronomy
Oct 23, 2023
0
18
Ever since humans could first observe sunspots about 400 years ago, we've been using them to try to define the solar cycle. Approximately every 11 years, solar activity such as sunspots and solar flares ebbs and flows, causing ...
Astronomy
Aug 10, 2022
1
493
Data from ESA (European Space Agency) and NASA's Solar and Heliospheric Observatory (SOHO) has captured the dynamic movement of the Sun's atmosphere for over 20 years. Today, we can hear the Sun's movement—all of its waves, ...
Space Exploration
Jul 25, 2018
0
18
Scientists at the Skolkovo Institute of Science and Technology (Russia), together with colleagues from the Leibniz Institute for Astrophysics (Germany), the University of Graz & the Kanzelhöhe Observatory (Austria), the ...
Astronomy
Jan 24, 2023
0
121
Earth's aurorae, or Northern and Southern Lights, provide a dazzling light show to people living in the polar regions. Shimmering curtains of green and red undulate across the sky like a living thing. New research shows that ...
Astronomy
Jul 21, 2011
3
0
The hot outer layer of the sun, the corona, has a temperature of over a million degrees Kelvin, much more than the surface temperature of the Sun which is only about 5500 degrees Kelvin. Moreover, the corona is very active ...
Astronomy
Sep 30, 2019
39
146
If planets had personalities, Mars would be a rock star according to recent preliminary results from NASA's MAVEN spacecraft. Mars sports a "Mohawk" of escaping atmospheric particles at its poles, "wears" a layer of metal ...
Space Exploration
Jun 22, 2015
0
1014
A gigantic ribbon of hot gas bursts upwards from the Sun, guided by a giant loop of invisible magnetism. This remarkable image was captured on 27 July 1999 by SOHO, the Solar and Heliospheric Observatory. Earth is superimposed ...
Space Exploration
Aug 1, 2016
3
20
Using data collected by NASA's STEREO spacecraft, researchers at Southwest Research Institute and the National Solar Observatory have developed the first detailed images of solar wind structures as plasma and other particles ...
Space Exploration
Aug 18, 2011
4
0
A team of astronomers has used the High Dispersion Spectrograph on the Subaru Telescope to conduct spectroscopic observations of Sun-like "superflare" stars first observed and cataloged by the Kepler Space Telescope. The ...
Astronomy
May 13, 2015
1
66