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The Sun: Five years in three minutes

The Sun. Credit: NASA Solar Dynamics Observatory.
This amazing video of the sun from NASA’s Solar Dynamics Observatory (SDO) shows five years of sun time in three minutes. The SDO scientists took a picture of the sun [...]

First solar flare of 2015

An medium-size solar flare erupts from the right side of the sun in this image in the early morning of 13 January, 2015 (British time). The image was recorded using two wavelengths (171 and 304 angstroms) of light too energetic for our eyes to see, as captured by NASA's Solar Dynamics Observatory. Credit: NASA/Solar Dynamics Observatory
The sun emitted its first notable solar flare, peaking in the early morning of 13 January, 2015. Solar flares are powerful bursts of radiation – a sort of non-visible [...]

Sunspots

A mid-level solar flare erupted on the sun on 18 December 2014. It can be seen in this image from NASA's Solar Dynamics Observatory (SDO) as the bright spot near the center of the sun. SDO observes light in extreme ultraviolet wavelengths that can highlight the intense heat present in a solar flare. Credit: NASA/SDO
Bursts of magnetic activity on the sun make sunspots, which can be seen with special [...]

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