MRO scientists find ice age once existed in Mars
Q. MRO has found Martian ice age existed 400,000 years ago. What does MRO stand for?- Published on 30 May 16a. Mars Retreat Orbiter
b. Mars Retrieval Orbiter
c. Mars Reconnaissance Orbiter
d. None of the above
ANSWER: Mars Reconnaissance Orbiter
Using radar data from Nasa's Mars Reconnaissance Orbiter (MRO), scientists have found a record of the most recent Martian ice age recorded in the planet's north polar ice cap.
- The new results agree with previous models that indicate a glacial period ended about 400,000 years ago as well as predictions about how much ice would have been accumulated at the poles since then.
- The researchers identified a boundary in the ice that extends across the entire north polar cap. Above the boundary, the layers accumulated very quickly and uniformly, compared with the layers below them.