Venus May Have Been Habitable For 2-3Bn Yrs

    • PTI
    • Publish Date: Sep 24 2019 2:27PM
    • |
    • Updated Date: Sep 24 2019 2:27PM
Venus May Have Been Habitable For 2-3Bn Yrs

Venus may have hosted liquid water for 2-3 billion years, until a dramatic transformation starting over 700 million years ago resurfaced around 80% of the planet, according to a Nasa study.


Forty years ago, Nasa’s Pioneer Venus mission found tantalising hints that Earth’s ‘twisted sister’ planet may once have had a shallow ocean’s worth of water.

To see if Venus might ever have had a stable climate capable of supporting liquid water, researchers from NASA Goddard Institute for Space Studies (GISS) in the US created a series of five simulations assuming different levels of water coverage.

In all five scenarios, they found that Venus was able to maintain stable temperatures between a maximum of about 50 degrees Celsius and a minimum of about 20 degrees Celsius for around three billion years. 

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Amogha M Koulapure STJ PU COLLEGE

The hellish planet Venus may have had a perfectly habitable environment for 2 to 3 billion years after the planet formed, suggesting life would have had ample time to emerge there, according to a new study. In 1978, NASA''s Pioneer Venus spacecraft found evidence that the planet may have once had shallow oceans on its surface.

Amogha M Koulapure STJ PU COLLEGE

All five of the simulations suggest Venus may have been able to maintain stable temperatures, ranging from a low of 68 degrees Fahrenheit (20 degrees Celsius) to a high of 122 degrees Fahrenheit (50 degrees Celsius), for about 3 billion years, according to a statement from the Europlanet Society.

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