Life On Other Planets
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Most Habitable Planets May Lack Dry Land
Most habitable planets may lack dry land and would be dominated by oceans spanning over 90 per cent of their surface area, scientists say.
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Accepted notion of Mars as lifeless is challenged
For all the triumph of NASA's 1976 Viking mission, which put two unmanned spacecraft on Mars, there was one major disappointment: The landers failed to find carbon-based molecules that could serve as the building blocks of life.The complete lack of these organic molecules was a surprise, and the notion of a desolate, lifeless Mars persisted for yea...
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Most Habitable Planets May Lack Dry Land
Most habitable planets may lack dry land and would be dominated by oceans spanning over 90 per cent of their surface area, scientists say.
-
Accepted notion of Mars as lifeless is challenged
For all the triumph of NASA's 1976 Viking mission, which put two unmanned spacecraft on Mars, there was one major disappointment: The landers failed to find carbon-based molecules that could serve as the building blocks of life.The complete lack of these organic molecules was a surprise, and the notion of a desolate, lifeless Mars persisted for yea...
