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File:NASA-EarlyEarth-PaleOrangeDot-20190802.jpg

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English: 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. 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. The team’s modeling suggests that atmospheric haze might be helpful for identifying earthlike exoplanets that could be habitable.
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Umthombo https://www.flickr.com/photos/gsfc/32407459560; see also https://www.nasa.gov/feature/goddard/2019/shining-starlight-on-the-search-for-life and https://www.nasa.gov/feature/goddard/2017/nasa-team-looks-to-ancient-earth-first-to-study-hazy-exoplanets
Umlobi NASA/Goddard Space Flight Center/Francis Reddy

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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NASA - Early Earth - Pale Orange Dot - August 2, 2019

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