Astrobiologist Uses Apollo Lunar Samples As Mirror Onto Early Earth

Universe Today Universe Today —

When haze built up in the atmosphere of Archean Earth, the young planet might have looked like this artist's interpretation - a pale orange dot.</p><p>A team led by Goddard scientists thinks the haze was self-limiting, cooling the surface by about 36 degrees Fahrenheit (20 Kelvins) – not enough to cause runaway glaciation.</p><p>The team’s modeling suggests that atmospheric haze might be helpful for identifying earthlike exoplanets that could be habitable. <br>Credit: NASA/Goddard Space Flight Center/Francis Reddyhttps://www.universetoday.com/article_images/NASA-EarlyEarth-PaleOrangeDot-20190802_1_20260731_160052.jpg" width="1280" />

A Tokyo-based astrobiologist is using an ingenious new way to garner insight into Earth’s 3.5-billion-year-old biosphere.

Read full article at Universe Today →