The Sun in high-energy x-rays (Image Credit: NASA/JPL-Caltech/GSFC/JAXA)

Earth has picked up many nicknames over the years, ranging from Terra, Gaia, and (thanks to Carl Sagan), "the Pale Blue Dot," but perhaps most on the nose (especially when Earth is viewed from afar) is that of the "Blue Marble." Well, if Earth is the blue marble, you might call this the 'Yellow Marble.'

This image, which was taken using NASA's NuSTAR Telescope (otherwise known as Nuclear Spectroscopic Telescope Array), shows the Sun at multi-wavelengths, with emphasis on—in true NuSTAR fashion— high-energy x-rays. These x-rays are color-coded in blue (from NuSTAR) and green (from the Hinode Spacecraft), while ultraviolet light is charted in red and yellow (both from NASA's Solar Dynamics Observatory [SDO]).

Each dataset was taken around April 29th, and all of them were combined to produce the finished product. Ultimately,  it shows some of the activity brewing on the surface of the Sun, which is nearing the end of its 11-year solar cycle.

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