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6 hours ago · And galaxy GN-z11, as shown in January of 2024, contains a supermassive black hole of 1.5-3.0 million solar masses just 420-440 million years after the Big Bang, although its stellar mass content ...
1 day ago · Earth formed around 4.54 billion years ago, approximately one-third the age of the universe, by accretion from the solar nebula. [4] [5] [6] Volcanic outgassing probably created the primordial atmosphere and then the ocean, but the early atmosphere contained almost no oxygen.
6 hours ago · Though the Big Bang theory was met with much skepticism when first introduced, it has become well-supported by several independent observations. However, current physics can only describe the early universe from around 10 −43 seconds after the Big Bang (where zero time corresponds to infinite temperature); a theory of quantum gravity would be required to understand events before that time.
