(Phys.org) —The Sun's outer atmosphere, or corona, has posed an enduring mystery. Why is it so hot? The Sun's visible surface is only 10,000 degrees Fahrenheit, but as you move outward the temperature shoots up to millions ...
Space Exploration
Jul 9, 2013
8
0
(Phys.org) —Using an innovative new camera on board a sounding rocket, an international team of scientists have captured the sharpest images yet of the Sun's outer atmosphere. The team discovered fast-track 'highways' and ...
Space Exploration
Jul 1, 2013
3
0
(Phys.org) —Astronomers have released a new image of the outer atmosphere of Betelgeuse – one of the nearest red supergiants to Earth – revealing the detailed structure of the matter being thrown off the star.
Astronomy
Apr 24, 2013
8
0
(Phys.org)—ESA's Herschel space observatory has detected a cool layer in the atmosphere of Alpha Centauri A, the first time this has been seen in a star beyond our own Sun. The finding is not only important for understanding ...
Astronomy
Feb 20, 2013
3
1
Japan is to send a space telescope into orbit around the Earth to observe Venus, Mars, and Jupiter, officials said on Friday, as they look to unlock the secrets of our own planet's atmosphere.
Space Exploration
Feb 15, 2013
0
0
(Phys.org)—Multiple arcs are revealed around Betelgeuse, the nearest red supergiant star to Earth, in this new image from ESA's Herschel space observatory. The star and its arc-shaped shields could collide with an intriguing ...
Astronomy
Jan 22, 2013
15
3
(Phys.org)—Astronomers using data from NASA's Wide-field Infrared Survey Explorer, or WISE, have discovered dust in an unusual place—just outside the reach of a binary star system with a short 3-hour orbit. The binary ...
Astronomy
Nov 14, 2012
0
0
Today, astronomers are releasing the highest-resolution images ever taken of the Sun's corona, or million-degree outer atmosphere, in an extreme-ultraviolet wavelength of light. The 16-megapixel images were captured by NASA's ...
Space Exploration
Jul 20, 2012
6
0
(PhysOrg.com) -- In late November, the Solar and Heliospheric Observatory's (SOHO) online "Pick of the Week" reached an impressive milestone: its 500th edition. This is an incredibly popular feature, which highlights one ...
Space Exploration
Jan 5, 2012
1
0
A new study sheds light on why the Sun's outer atmosphere, or corona, is more than 20 times hotter than its surface. The research, led by the National Center for Atmospheric Research (NCAR), may bring scientists a step closer ...
Space Exploration
Jul 27, 2011
1
0
