Mikhail Nikolayevich If Heaven made someone, earth can find some use for them
Last night
2 years ago
included a talk by Robert McNaught on the comet that he discovered last year — Comet McNaught
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Mikhail Nikolayevich If Heaven made someone, earth can find some use for them
Supermassive black hole
2 years ago
A supermassive black hole is a black hole with a mass of an order of magnitude between 10 to the 5 and 10 to the 10 (hundreds of thousands and tens of billions) of solar masses. It is currently thought that most, if not all galaxies, including the Milky Way, contain supermassive black holes at their galactic centers.
