"Venus Zone" Narrows Search for Habitable Planets
Moffet Field CA (NASA) Apr 23, 2015 - Long before the hunt began to find Earth lookalikes around other stars, one planet in the Solar System had already been named Earth's twin. With its similar size and mass, Venus measures very close to Earth, with one major yet significant difference. Its thick atmosphere makes temperatures on the planet hot enough to melt lead, and therefore most certainly too hot to sustain life. In order ... more
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