The surface of the sun writhes and dances. Far from the still, whitish-yellow disk it appears to be from the ground, the sun sports twisting, towering loops and swirling cyclones that reach into the solar upper atmosphere, ...
Space Exploration
Jan 29, 2016
109
2867
The Sunspot Number is a crucial tool used to study the solar dynamo, space weather and climate change. It has now been recalibrated and shows a consistent history of solar activity over the past few centuries. The new record ...
Space Exploration
Aug 7, 2015
118
2542
Wouldn't it be great if scientists could make their minds up? One minute they're telling us our planet is warming up due to human activity and we run the risk of potentially devastating environmental change. Next, they're ...
Earth Sciences
Jul 27, 2015
0
48
When you attach the prefix "nano" to something, it usually means "very small." Solar flares appear to be the exception.
Space Exploration
Mar 20, 2015
11
1093
Crewed missions to Mars remain an essential goal for NASA, but scientists are only now beginning to understand and characterize the radiation hazards that could make such ventures risky, concludes a new paper by University ...
Space Exploration
Oct 21, 2014
4
0
(Phys.org) —First spotted in 1885, silvery blue clouds sometimes hover in the night sky near the poles, appearing to give off their own glowing light. Known as noctilucent clouds, this phenomenon began to be sighted at ...
Earth Sciences
Apr 10, 2014
0
0
The sun is our nearest star and the source of all our light and heat on Earth but recent reports have highlighted an ongoing steep decline in solar activity.
Space Exploration
Jan 22, 2014
16
0
On July 16, 2013, at 12:09 a.m. EDT, the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon that can send billions of tons of particles into space that can reach Earth one to three days later. ...
Space Exploration
Jul 16, 2013
1
0
On July 9, 2013, at 11:09 a.m. EDT, the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon that can send billions of tons of particles into space that can reach Earth one to three days later. ...
Space Exploration
Jul 10, 2013
0
0
On June 20, 2013, at 11:24 p.m., the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon that can send billions of tons of particles into space that can reach Earth one to three days later. ...
Space Exploration
Jun 21, 2013
0
0
