Trace Gas Orbiter to look for methane

Q.  The Trace Gas Orbiter in the future Mars probe ExoMars 2016 will look for specifically which gas?
- Published on 15 Mar 16

a. Methane
b. Oxygen
c. Carbon Dioxide
d. Hydrogen

ANSWER: Methane
 
  • The Trace Gas Orbiter or TGO will analyse the planet’s atmosphere. In particular it will seek out the presence of the gas methane which, on Earth, is produced by living organisms.
  • The U.S. robot rover Curiosity, which landed on Mars in 2012, initially found no sign of methane. Subsequent analyses in 2014 did report the presence of methane in the Martian atmosphere in one area. However, some scientists have argued that it may have been created by non—biological means.

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