Tag Archives: transits

The transit of Venus, from Saturn

Tonight’s transit of Venus may be the last for observers on Earth for the next century, but the Cassini spacecraft will only have to wait a few months. On 21 December 2012, Saturn, Venus and the Sun will be aligned … Continue reading

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Extrasolar worlds and transits

While transits of the 18th and 19th centuries gave astronomers a way to answer one of the biggest astronomical questions of the time – just how big is the Solar System – modern day astronomers use transits to search for … Continue reading

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