Space photos: The most amazing images this week!

Hubble sees a massive collection of stars, the Pillars of Creation shine like never before, and NASA showcases a famous supernova in blue. These are some of this week’s top photos.   

Cassiopeia A in blue

A giant blue cloud in space. Cassiopeia A as imaged by the Chandra X-ray observatory has been investigated in polarized X-rays.


This blue orb is a composite image of a stellar remnant called Cassiopeia A, located 11,000 light-years away. About three hundred years ago, the light from this supernova reached Earth for the first time. Since then, astronomers have been fascinated by the beauty of its structure and the powerful shockwaves that emanate from its center. 

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