Image of the Day: a star explosion 13,000 light years away

Take a glimpse at this gorgeous image of the Tycho supernova remnant, named after Danish astronomer Tycho Brahe.

So, what are we looking at exactly? Here's what NASA has to say:

Low-energy X-rays (red) in the image show expanding debris from the supernova explosion and high energy X-rays (blue) show the blast wave, a shell of extremely energetic electrons . These high-energy X-rays show a pattern of X-ray "stripes" never previously seen in a supernova remnant. Some of the brightest stripes can also directly be seen in the full color image, on the right side of the remnant pointing from the outer rim to the interior. The stellar background is from the Digitized Sky Survey and only shows stars outside the remnant.

Via NASA

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