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Venus makes rare Sun transit

Astronomers have trained their telescopes on the planet Venus as it made a rare trek across the face of the Sun. It will not happen again until 2117.

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Where to watch coverage of Venus' rare sun transit online

One of the rarest astronomical events will take place in the early hours of Wednesday morning when Venus passes directly between the sun and Earth.

The transit will take six and a half hours from 23:00BST.

You can watch coverage of the transit of Venus on the following websites:

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