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Why do scientist hypothesize that Mars may once have had the conditions needed for life to exist?
Wiki User
∙ 10y ago
life to exist there
Ebba Hoeger
Wiki User
∙ 8y agoIt has valleys and other features that prove that there was once plenty of water on Mars; which is essential for all life we know of.
During a period of time between the late 19th century to the early 20th century, while observing Mars, Giovanni Schiaparelli, an Italian astronomer, reported thin lines along the Martian surface. Schiaparelli called these lines "canali" (mistranslated as "canals"). This led many astronomers to believe that those lines were irrigation canals built by highly intelligent aliens.
There are dried-up riverbeds on Mars.
Wiki User
∙ 10y agoSince life as we know it requires water, scienctists hypothesize that Mars may have once had the conditions needed for life to exist.
Wiki User
∙ 13y agolife to exist there
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one million
What do astronamers study?
earth and space science is the study of earth and its place in the universe.some earth scientist study the forces that have shaped earth throughout its long history.others study earth's oceans or its weather.space scientist study the planets and stars that exist beyond earth.
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Maybe, although we haven't found any planets with life-supporting conditions on them yet.
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people didn't use flashlights in the old days. they needed lamps and other means of light, but flashlights didn't exist yet.
Why do scientists hypothesize that mars may once have the conditions needed for life to exist?
Since life as we know it requires water, scienctists hypothesize that Mars may have once had the conditions needed for life to exist.
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No.
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John Dalton
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The conditions here on Earth, of course!
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Any scientist; this classification don't exist.
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Yes, they do.
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oxygen
