Life On Earth Arrived On Cosmic Dust?

    • PTI
    • Publish Date: Nov 21 2017 4:47PM
    • |
    • Updated Date: Nov 21 2017 4:47PM
Life On Earth Arrived On Cosmic Dust?

Life on Earth may have originated from biological particles brought to our planet in streams of space dust, according to scientists, including one of Indian origin

Fast-moving flows of interplanetary dust that continually bombard our planets atmosphere could deliver tiny organisms from far-off worlds, or send Earth-based organisms to other planets, researchers from the University of Edinburgh in the UK said.

The dust streams could collide with biological particles in Earths atmosphere with enough energy to knock them into space, they said.

Such an event could enable bacteria and other forms of life to make their way from one planet in the solar system to another and perhaps beyond.

"The proposition that space dust collisions could propel organisms over enormous distances between planets raises some exciting prospects of how life and the atmospheres of planets originated," said Professor Arjun Berera.
 
"The streaming of fast space dust is found throughout planetary systems and could be a common factor in proliferating life," said Berera.

The finding, published in the journal Astrobiology, suggests that large asteroid impacts may not be the sole mechanism by which life could transfer between planets, as was previously thought.

 

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k.preetham reddy Mount Litera Zee High School

It was a very good information

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