UNIVERSE
SOLAR SYSTEM FORMATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which planet do scientists think once had surface water or flowing rivers?
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Mercury
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Venus
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Mars
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Jupiter
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Explanation:
Detailed explanation-1: -Mars once rippled with rivers and ponds billions of years ago, providing a potential habitat for microbial life. As the planet’s atmosphere thinned over time, that water evaporated, leaving the frozen desert world that NASA’s Mars Reconnaissance Orbiter (MRO) studies today.
Detailed explanation-2: -Mars is rich in minerals that formed in water, and in some cases still hold water. These aptly named hydrated minerals can be found around the planet, as shown in maps made using data from NASA’s Mars Reconnaissance Orbiter and the European Space Agency’s Mars Express.
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