EARTH's EVIL TWIN

"What’s weird is that Venus is only slightly smaller than the Earth and has a very similar chemical composition and density. The fact that it’s turned out so differently has led those who study the planet to refer to it as ‘Earth’s evil twin’. The one the family don’t like to talk about. But that hasn’t stopped scientists trying to figure it out. So far, there have been more than twenty missions to Venus, including two Russian landers, which survived for a couple of hours before getting frazzled by the extreme conditions. The most recent mission, Europe’s Venus Express, is in orbit right now analysing the planet’s atmosphere. But despite all this international effort, the second planet from the Sun still holds many mysteries..."

 

-Richard Hollingham, bbc science

 

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