(PhysOrg.com) -- Sunspot formation is triggered by a magnetic field, which scientists say is steadily declining. They predict that by 2016 there may be no remaining sunspots, and the sun may stay spotless for several decades. ...
Sunlight can be brutal. It wears down even the strongest structures, including rooftops and naval ships, and it heats up metal slides and bleachers until they're too hot to use. To fend off damage and heat from the sun's ...
Materials Science
Aug 16, 2015
7
4817
(Phys.org) -- The sun is nearly the roundest object ever measured. If scaled to the size of a beach ball, it would be so round that the difference between the widest and narrow diameters would be much less than the width ...
Space Exploration
Aug 16, 2012
44
0
On April 28, 2021, at 0933 UT (3:33 a.m. Eastern Daylight Time), NASA's Parker Solar Probe reached the sun's extended solar atmosphere, known as the corona, and spent five hours there. The spacecraft is the first to enter ...
Space Exploration
Dec 14, 2021
0
8063
(PhysOrg.com) -- Maybe because it appears as a speck of blood in the sky, the planet Mars was named after the Roman god of war. From the point of view of life as we know it, that's appropriate. The Martian surface is incredibly ...
Space Exploration
Nov 18, 2011
3
0
A NASA spacecraft has officially "touched" the sun, plunging through the unexplored solar atmosphere known as the corona.
Space Exploration
Dec 19, 2021
0
140
This amazing video from the SOHO mission (Solar and Heliospheric Observatory) shows a sun-diving comet hitting the solar surface on October 1, 2011 and unexpectedly a huge explosion occurs shortly after. Are the two events ...
Space Exploration
Oct 5, 2011
21
0
The sun is the focus of a deepening mystery. Solar scientists want to know: Why is the sun so quiet?
Space Exploration
Jun 28, 2009
11
0
(PhysOrg.com) -- Scientists at the Universities of Glasgow, Strathclyde and Central Lancashire have used 21st Century solar observations and image processing to finally solve a sunspot puzzle first noticed in the 18th Century.
Space Exploration
Aug 19, 2009
4
0
By cosmic standards the sun is extraordinarily monotonous. This is the result of a study presented by researchers from the Max Planck Institute for Solar System Research in the upcoming issue of Science. For the first time, ...
Astronomy
Apr 30, 2020
12
711
