In the center of this image, taken with the NASA/ESA Hubble Space Telescope, is the galaxy cluster SDSS J1038+4849 and it seems to be smiling You can make out its two orange eyes and white button nose ...
An extraordinarily rare, gravitationally lensed supernova may offer a powerful new way to measure the universe’s expansion rate.
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When it comes to the question of the expanding Universe, all observations agree that yes, the Universe is indeed expanding, in agreement with Edwin Hubble’s earliest observations dating all the way ...
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