News tagged with solar activity

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Three years of the Sun in three minutes

Since the Solar Dynamics Observatory opened its multi-spectral eyes in space about three years ago, we've posted numerous videos and images from the mission, showing incredible views of our dynamic Sun. Scott ...

Apr 23, 2013
5 / 5 (8) 1

Late 20th century was warmest in 1,400 years

Earth was cooling until the end of the 19th century and a hundred years later, the planet's surface was on average warmer than at any time in the previous 1,400 years, according to climate records presented ...

Apr 21, 2013
3.9 / 5 (37) 49

Quiet Interlude in Solar Max

(Phys.org) —Something unexpected is happening on the Sun. 2013 was supposed to be the year of "solar maximum," the peak of the 11-year sunspot cycle. Yet 2013 has arrived and solar activity is relatively ...

Mar 08, 2013
4 / 5 (6) 7

Solar cycle update: Twin peaks?

Something unexpected is happening on the sun. 2013 is supposed to be the year of Solar Max, the peak of the 11-year sunspot cycle. Yet 2013 has arrived and solar activity is relatively low. Sunspot numbers ...

Mar 04, 2013
4.2 / 5 (11) 28 | with audio podcast