News tagged with solar variability

Solar variability and terrestrial climate

(Phys.org)—In the galactic scheme of things, the Sun is a remarkably constant star. While some stars exhibit dramatic pulsations, wildly yo-yoing in size and brightness, and sometimes even exploding, the ...

Jan 11, 2013
5 / 5 (15) 122 | with audio podcast

Arctic ice melt sets stage for cold weather

(Phys.org) -- The dramatic melt-off of Arctic sea ice due to climate change is hitting closer to home than millions of Americans might think. That's because melting Arctic sea ice can trigger a domino effect ...

Jun 06, 2012
3.7 / 5 (26) 71 | with audio podcast

A New Method of Estimating Stellar Distances

(PhysOrg.com) -- The star Chi Cygni is located about 550 light-years away, in the direction of the constellation of Cygnus the Swan. It is a notable star because, unlike the sun which still burns hydrogen ...

Dec 21, 2009
4.4 / 5 (15) 2