Artist’s impression of the exoplanet Tau Boötis b from
NASAblueshift on Flickr.

Written by David Robertson, who attended a lecture by Dr Giovanni Tinetti (UCL Physics & Astronomy) at the Cheltenham Science Festival, entitled ‘Exoplanet explorers’.

1992, was the year it hit me! As I entered the brave new world of primary education, I remember being startled with the knowledge that we lived on a ball of rock, travelling some 67,000 miles per hour around a massive burning ball of fire. Naturally, this was a pretty terrifying turn of events!

As the shock subsided, and my terror turned to awe, I was told that the Earth was one of a small group of planets orbiting our local star.

There was more.

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