The National Aeronautics and Space Administration (NASA) has unveiled the first global digital elevation (topographic model) of which planet

2016

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	Venus
B	Mars
C	Jupiter
D	Mercury

Explanation:

Detailed explanation-1: -First Global Topographic Model of Mercury .

Detailed explanation-2: -Mercury is one of the five classical planets visible with the naked eye and is named after the swift-footed Roman messenger god. It is not known exactly when the planet was first discovered-although it was first observed through telescopes in the seventeenth century by astronomers Galileo Galilei and Thomas Harriot.

Detailed explanation-3: -Mercury’s surface is overall similar in appearance to that of the Moon, with extensive mare-like plains and heavily cratered terrains similar to the lunar highlands and made locally by accumulations of pyroclastic deposits. lowest (purple) to 10 km (6.2 mi) highest (red).

Detailed explanation-4: -Significant Events. 1631: Thomas Harriott and Galileo Galilei observe Mercury with the newly invented telescope.

Detailed explanation-5: -NASA’s MESSENGER spacecraft orbited Mercury for more than four years. Among its accomplishments, the mission determined Mercury’s surface composition, revealed its geological history, discovered details about its internal magnetic field, and verified its polar deposits are dominantly water-ice.

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