It might sound like something from a science fiction plot – astronauts traveling into deep space being bombarded by cosmic rays – but radiation exposure is science fact. As future missions look to travel back to the moon ...
Space Exploration
Mar 15, 2018
24
483
The spots on the surface on the sun come and go with an 11-year periodicity known as the solar cycle. The solar cycle is driven by the solar dynamo, which is an interplay between magnetic fields, convection and rotation. ...
Astronomy
Jan 8, 2018
3
143
Britain may lose the magic of the Northern Lights by the middle of the century due to major shifts in solar activity, scientists have discovered.
Space Exploration
Feb 1, 2017
2
351
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
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)—Northern night skies have recently been alive with light. Those shimmering curtains get their start about 93 million miles away, on the sun.
Space Exploration
Oct 2, 2012
14
1
Viewed from the technological perspective of modern humans, the sun is a seething cauldron of disruptive influences that can wreak havoc on communication systems, air travel, power grids and satellites – not to mention ...
Space Exploration
Aug 18, 2011
3
0
(PhysOrg.com) -- Since 1611, humans have recorded the comings and goings of black spots on the sun. The number of these sunspots waxes and wanes over approximately an 11-year cycle -- more sunspots generally mean more activity ...
Space Exploration
Jun 14, 2011
2
0
