Gullies on the surface of Mars not formed by flowing water

Q.  Gullies on Mars similar to the ones on Earth were created by _____________.
- Published on 01 Aug 16

a. Liquid flowing water
b. Seasonal variations
c. Temperature change
d. None of the above

ANSWER: None of the above
 
Gullies on the surface of Mars were not carved out by flowing water. according to US space agency NASA.
  • Gullies on the surface of Mars are similar to gullies found on the exterior parts of the Earth.
  • Gullies found on the Earth are carved out by flowing water.
  • There is no evidence of water being the cause of gullies found on the Martian surface
  • According to NASA Mars Reconnaissance Orbiter, gullies on Mars appear to light up in different shades
  • Martian gullies are a widespread and common feature on the planet as per observations by MRO High Resolution Imaging Science Experiment camera.
  • These slopes appear in both hemispheres and occur on slopes that face towards the pole.

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