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history
On this day the first evidence of a black hole by Hubble:1996 February 21...
Black hole, The great secret of universe. Did you know about the wo…
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history
John Glenn becomes the first American to orbit the Earth:1962 February 20...
On this day 1962 the American astronot john Glenn became the first …
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history
Russia launches Mir space station:1986 February 19...
Today was the great day on space history Russia launched the first …
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planets
Discovery of Pluto:1930 February 18....
On this day pluto was discovered Yes before 90 years ago 1930 Feb…
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