Few people have heard of Hisako Koyama, but the dedicated female solar observer, born in Tokyo in 1916, created one of the most important sunspot records of the past 400 years, according to new research.
Space Exploration
Oct 2, 2017
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152
You don't have to wait on the next eclipse for another cool opportunity to look at the sun—our nearest star puts on quite the show of its own without the help of the moon. Heliophysics, the field of study devoted to the ...
Space Exploration
Sep 7, 2017
0
23
On July 5, 2017, NASA's Solar Dynamics Observatory watched an active region—an area of intense and complex magnetic fields—rotate into view on the Sun. The satellite continued to track the region as it grew and eventually ...
Space Exploration
Aug 7, 2017
0
11
An active region on the sun—an area of intense and complex magnetic fields—has rotated into view on the sun and seems to be growing rather quickly in this video captured by NASA's Solar Dynamics Observatory between July ...
Space Exploration
Jul 12, 2017
0
59
High up in the clear blue noontime sky, the sun appears to be much the same day-in, day-out, year after year.
Space Exploration
Jun 28, 2017
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80
(Phys.org)—A pair of researchers affiliated with the Natural History Museum in Chemnitz and Technische Universität Bergakademie Freiberg, both in Germany, has found evidence in ancient tree rings of a solar sunspot cycle ...
Solar physicists have long viewed the rotation of sunspots as a primary generator of solar flares - the sudden, powerful blasts of electromagnetic radiation and charged particles that burst into space during explosions on ...
Space Exploration
Oct 12, 2016
39
0
Records of Spanish shipwrecks combined with tree-ring records show the period 1645 to 1715 had the fewest Caribbean hurricanes since 1500, according to new University of Arizona-led research. The study is the first to use ...
Earth Sciences
Mar 7, 2016
3
509
Sunspots are planet-sized conglomerates of bundles of intense magnetic field lines on the surface of the Sun. They are known to cause explosions (solar flares) which can directly impact our technological infrastructure. What ...
Astronomy
Sep 30, 2015
1
104
This month there's been a hoopla about a mini ice age, and unfortunately it tells us more about failures of science communication than the climate. Such failures can maintain the illusion of doubt and uncertainty, even when ...
Earth Sciences
Jul 24, 2015
200
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