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Our sun—three different wavelengths

From March 20-23, 2018, NASA's Solar Dynamics Observatory captured three sequences of our sun in three different extreme ultraviolet wavelengths. The resulting images illustrate how different features that appear in one sequence ...

dateApr 11, 2018 in Space Exploration
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Image: 22 years of SOHO

The activity cycle of the sun – where the number of sunspots increase and decrease – has been monitored regularly for around 250 years, but the use of space-based telescopes has given us a whole new perspective of our ...

dateFeb 26, 2018 in Space Exploration
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