The Sun gets 10% hotter every 1 billion years.


Sun videos

In the three years since it first provided images of the sun in the spring of 2010, NASA’s Solar Dynamics Observatory has had virtually unbroken coverage of the sun’s rise toward solar maximum, the peak of solar activity in its regular 11-year cycle.

This image is a composite of 25 separate images spanning the period of April 16, 2012, to April 15, 2013. It reveals the zones on the sun where active regions are most common during this part of the solar cycle. (Credit: NASA/GSFC/SDO)

Have a look at footage of the Sun in close up…


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