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What Is a Nebula?
The first attested mention of a nebula comes from the Persian astronomer Abd al-Rahman al-Sufi, who wrote in 964 about a ...
About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and ...
About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula ... A - Clusters bright blue stars embedded within the galaxy, background galaxies seen much farther ...
In this special Hubble image 23 years in the making, the sparkling spiral galaxy UGC 10043 reveals the secrets of its unusually big bulge. From solar storms to "shooting stars" over Stonehenge ...