Life in 100% Hydrogen Atmosphere

Source:  NASA's Hubble Telescope

Big Impact on Search for Life in Space
Scientists at MIT have made a major discovery.  
They've found that microorganisms - life - exists in
an atmosphere of 100% hydrogen.  In fact, organisms
found on Earth can survive in environments 
previously considered inhospitable and composed
of 100% hydrogen.

Expanding the Search for ET
The findings have a big impact on the search for
life in space.  A significant number of exoplanets, or 
orbiting stars, contain atmospheres with large amounts
of hydrogen.  These exoplanets have been ignored
in the search for alien life until now.  Award-winning
astrophysicist MIT Professor Sara Seager, who led
the study, is urging astronomers to expand the types
of planets where they are searching for ET.

Warm Planets
Prof. Seager also discovered that worlds in space, even at
a distance ten-times away from a star with a hydrogen-rich
atmosphere, would be capable of containing life
because of hydrogen's warming effects.  Hydrogen
make the planets warm.  She says, it makes Super
Earths - planets similar to Earth but up to 10 times
bigger - prime candidates for alien life.

MIT Research Conclusions
The MIT scientists have proven that life survives and
thrives in a hydrogen world.  Life could exist in
worlds whose atmospheres were previously thought
too harsh and hostile to sustain life.  And alien life
may be present on many more planets than scientists

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