Âé¶¹´«Ã½

Space

Did a collision create Venus as we know it?

By Jason Palmer

20 February 2008

Âé¶¹´«Ã½. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

(Image: JPL/NASA)

ONE traumatic event, lasting just a few hours, could have shaped the destiny of Venus.

In its early history, Venus shared many similarities with our planet. For example, it had lots more water than it does today. At some point, though, it took a radically different path and ended up parched and hellishly hot, earning it the nickname “Earth’s evil twin”.

Now one planetary scientist is suggesting that Venus as we know it came into existence as the result of an almighty smash between two embryonic planets. According to J. Huw Davies of the University of Cardiff in…

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