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Betty Louise Turtle (née Webster [also Webster in published works]) (20 May 1941 - 29 September 1990) was an Australian astronomer and physicist. In 1971, with her colleague Paul Murdin , she identified the powerful X-ray source Cygnus X-1 as the first clear candidate for a black hole .
Yondu Udonta, or simply Yondu (/ ˈ j ɒ n d uː /), is a character appearing in American comic books published by Marvel Comics.The original version of the character is depicted as the last survivor of his species, a spiritual warrior who can control his arrows through sound waves, and a founding member of the original Guardians of the Galaxy from the 31st century of the alternate reality of ...
The redshift of J0529-4351 is 3.962. The object itself is classified as a radio-quiet quasar.Fitting accretion models to the spectra yields an accretion rate of matter onto the black hole of 280 to 490 solar masses per year for an accretion disk around the black hole observed at an angle of zero to 60 degrees, with accretion occurring near the Eddington limit.
SMSS J215728.21-360215.1, commonly known as J2157-3602, is one of the fastest growing black holes and one of the most powerful quasars known to exist as of 2021.The quasar is located at redshift 4.75, [1] corresponding to a comoving distance of 2.5 × 10 10 ly from Earth and to a light-travel distance of 1.25 × 10 10 ly.
January–February – Discovery of nuclear fission is announced independently by Otto Hahn and Lise Meitner. [ 12 ] [ 13 ] [ 14 ] On January 26, Niels Bohr reports the splitting of the uranium nucleus with a release of two hundred million electron volts of energy to a conference on the campus of George Washington University in Washington, D.C ...
Strange Days at Blake Holsey High (also known as Black Hole High) is a science fiction television series which first aired in North America in October 2002 on Global TV.It is set at the fictional boarding school of the title, where a Science Club (five students and their teacher) investigates mysterious phenomena, most of which is centered on a wormhole located on the school grounds.
Scientists have discovered the oldest black hole yet, a cosmic beast formed a mere 470 million years after the Big Bang. The findings, published Monday, confirm what until now were theories that ...
ULAS J1342+0928 is the third-most distant known quasar detected and contains the second-most distant and oldest known supermassive black hole, [1] [5] [6] [7] at a reported redshift of z = 7.54. The ULAS J1342+0928 quasar is located in the Boötes constellation . [ 3 ]