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| Photos show black hole birth: scientists Sydney Morning Herald AP Astronomers may have lucked into the ultimate in cosmic baby pictures: a voracious black hole fresh from its violent birth. Scientists now believe the ... See all stories on this topic » | ||
| Allan Sandage, 1926 – 2010 Discover Magazine (blog) Perhaps his greatest contribution to astronomy was refining the Hubble Constant, a measure of how fast the Universe is expanding. ... See all stories on this topic » |
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