Two Different Satellites Take Two Different Pictures of the Same Galaxy

Illustration for article titled Two Different Satellites Take Two Different Pictures of the Same Galaxy

What a difference a wavelength makes: On the left is the M82 Galaxy as seen in the visible light spectrum, captured by the Hubble Space Telescope — and the image we most associate with that galaxy. On the right is an x-ray image of the same galaxy, taken by NASA's Chandra X-ray Observatory.

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Image credit: NASA/STScI/SAO

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DISCUSSION

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Aren't most satellite images composites of the different spectrums?