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'Herculean' 2.5-billion-pixel mosaic shows our closest galactic neighbor like never before — and took more than a decade to create
The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with more than 200 million individually resolved stars.
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Hubble Space Telescope reveals richest view of Andromeda galaxy to date (image)
Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...
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'Herculean' 2.5-billion-pixel mosaic shows our closest galactic neighbor like never before — and took more than a decade to create
The mosaic contains roughly 2.5 billion individual ... "Without Andromeda as a proxy for spiral galaxies in the universe at large, astronomers would know much less about the structure and ...