Andromeda is a beautiful galaxy to see with your own eyes, but in this video, ESA’s fleet of space telescopes — XMM Newton, Herschel, Planck and several ground-based telescopes — has captured M31, in different wavelengths, most of which are invisible to the eye. Each wavelength shows a different aspect of the galaxy’s nature, as … Continue reading The Many Colors and Wavelengths of the Andromeda Galaxy