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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The world watches as Venus treks across the Sun

People across the world turned to the skies to watch as planet Venus made a rare trek across the face of the Sun. It will not happen again until 2117.

Children take turns to look at planet Venus transiting across the sun at a public viewing at the Singapore Science Centre. Credit: Reuters
The planet Venus transits across the sun, as seen through a welding filter in Sydney. Credit: Reuters
Members of a family use solar viewers to watch Venus passing between the Sun and the Earth in Cuernavaca, Mexico. Credit: Reuters

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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:

Venus transit to be watched across the world

Skywatchers on seven continents, including Antarctica, will be able to see all or part of the Venus transit:

  • Should only be observed with telescopes outfitted with solar filters to protect the eyes
  • Internet will be a hub of activity, with live video and pictures from an armada of space- and ground-based observatories
  • Even astronauts aboard the International Space Station are joining in the event

Space station flight engineer Don Pettit said: "I've been planning this for a while," in a NASA interview. "I knew the transit of Venus would occur during my rotation, so I brought a solar filter with me."

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