Primordial Haze Theory Competes with Primordial Soup in Debate over Life

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Earth's Future Glimpsed on Titan
Composite view of Titan built with Cassini images taken on Oct. 9 and Oct. 25, 2006. (Image credit: NASA/JPL/University of Arizona)

Life on Earth may

Scientists

Earth vs. Titan

While Titan

And long ago,

"It's pretty

Horst presented her

Conditions just

The primordial-soup

Complex molecules

This may well have

Big, complicated

Plenty of energy to

On Titan, "we

Pushing the clock

Until

The

"Evidence

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Mike Wall
Mike Wall
Senior Space Writer

Michael Wall is a Senior Space Writer with Space.com and joined the team in 2010. He primarily covers exoplanets, spaceflight and military space, but has been known to dabble in the space art beat. His book about the search for alien life, "Out There," was published on Nov. 13, 2018. Before becoming a science writer, Michael worked as a herpetologist and wildlife biologist. He has a Ph.D. in evolutionary biology from the University of Sydney, Australia, a bachelor's degree from the University of Arizona, and a graduate certificate in science writing from the University of California, Santa Cruz. To find out what his latest project is, you can follow Michael on Twitter.