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Star-packed Triangulum Galaxy shines in new Hubble Telescope image
A nearby galaxy is shining with star formation in a new image from the Hubble Space Telescope. The spiral galaxy Messier 33 (M33), also known as the Triangulum Galaxy, is the third-largest member ...
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Spectroscopy of Massive Stars in NGC 6822 and M33
ABSTRACT We present blue spectra of massive stars in the Local Group galaxies NGC 6822 and M33. For all the targets, selected from our previous Hubble Space Telescope WFPC2 photometry, no previous ...
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How Edwin Hubble won the Great Debate
Throughout the coming months, he discovered more Cepheids in M31 and its nearby companion M33 and measured their distances to confirm they were both galaxies far from the Milky Way. Hubble let the ...