The two keys to Edwin Hubble's breakthrough discovery were forged by others in the 1910s. The first key, the period-luminosity scale discovered by Henrietta Leavitt, allowed astronomers to ...
The legendary Hubble Space Telescope has turned its gaze to the Ursa Major-adjacent galaxy UGC 5460, revealing spiral arms, star clusters and a possible supernova "imposter".
Get Instant Summarized Text (Gist) The Hubble Space Telescope captured a new image of the Veil Nebula, a supernova remnant from a star 20 times the mass of the sun that exploded 10,000 years ago ...
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