Chandra X-ray Observatory image of Mira (Omicron Ceti), a red giant star and its white dwarf companion. The image shows the pulsating red giant strongly flaring at x-ray energies, separate from its companion's x-ray emitting accretion disk. The vibrant colors represent different x-ray energy levels.

Astronomy Picture from 22/07/2006

Mira: The Wonderful Star

Source: https://apod.nasa.gov/apod/ap060722.html


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