Scientists detect hydrogen gas from far off galaxy

Q.  Using the VLA/Very Large Array in New Mexico, international team of scientists have detected a faint signal indicating presence of which gas in a galaxy close to 5 billion light years away?
- Published on 03 Jun 16

a. Hydrogen
b. Oxygen
c. Carbon
d. None of the above

ANSWER: Hydrogen
 
Scientists have detected a faint signal emitted by the hydrogen gas in a galaxy more than 5 billion light years away. This measurement is almost double the previous record of distance.
  • Scientists have detected a faint signal emitted by hydrogen gas in a galaxy more than 5 billion light years away
  • This measurement is double the previous record of distance
  • The signals would begin their journey before the planet even existed
  • Incredible measurement is almost is double the previous record of distance
  • Signals would begin their journey even before the planet existed and after 5 billion years of traveling through space without hitting anything
  • The team also found that the distant galaxy contains billions of young massive stars surrounded by clouds of hydrogen gas
  • Till now radio telescopes have only been able to detect the emission signal of hydrogen from new galaxies
  • Following upgrade of the VLA, scientists have been directly able to measure atomic hydrogen in a galaxy this far from earth

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