26th anniversary of the NASA Hubble Space Telescope marked

Q.  To mark the 26th anniversary of the NASA Hubble space telescope, images were released. When was it launched?
- Published on 25 Apr 16

a. 24th April 1990
b. 23rd April 1990
c. 22nd April 1990
d. None of the above

ANSWER: 24th April 1990
 
The Hubble was launched into the earth orbit by the STS-31 space shuttle crew on April 24, 1980. Astronomers have unveiled an image of the bubble blown into space by a massive hot star 7100 light years from earth.
  • The Hubble is currently making its 26th revolution around the home star
  • Bubble Nebula (NGC 7635) is 7 light years across and one and a half times the distance from the Sun to the nearest stellar neighbour, Alpha Centauri
  • It is located in the constellation Cassiopeia.
  • The seething star forms this Nebula which is 45 times more massive than the Sun
  • Gas on the star gets hot and escapes into space as a stellar wind moving at over 4 million miles per hour

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