The chronometer marking life's origin continues to march backward as we develop new tools for observation and analysis. Recent discoveries suggest that life on Earth may originate as early as 3,850 mya, even as the planet sustains heavy bombardment from meteorites and other incoming bodies.
University of Montana--Missoula. Environmental Studies Program
© 1997 Stiftung Drittes Millennium
Digital File Format
Digital Image Number
Liebes, Sid; Mittelstadt, Laurie; Waugh, Barbara; and Brynes, Lois, "Panel 12: Life Takes Tenacious Hold" (1997). A Walk Through Time - From Stardust To Us. 12.