Did Life Arise On Earth On Two Separate Occasions?

Astrobiology.com says recent findings show that life may have arisen on this planet on two separate occasions. A recently posted news story says:

“Conditions suitable to support complex life may have developed in Earth’s oceans — and then faded — more than a billion years before life truly took hold, a new University of Washington-led study has found.

“The findings, based on using the element selenium as a tool to measure oxygen in the distant past, may also benefit the search for signs of life beyond Earth.

“In a paper published Jan. 18 in the Proceedings of the National Academy of Sciences, lead author Michael Kipp, a UW doctoral student in Earth and Space Sciences, analyzed isotopic ratios of the element selenium in sedimentary rocks to measure the presence of oxygen in Earth’s atmosphere between 2 and 2.4 billion years ago.”

Read the entire article here: http://astrobiology.com/2017/01/did-life-start-more-than-once-on-earth.html

U.S. legislators that believe that this planet, in fact the entire universe, is only 6, 000 years old may consider this an alternative fact.

Gunflint

Frater Lux Ad Mundi

Leave a Reply

Your email address will not be published. Required fields are marked *