Stephen Curran: visiting Venus and giant comets

Kiwi-Scottish starman Dr Stephen Curran returns by popular demand to unpack cosmic goings-on.

This week: NASA is returning to Venus to learn how it became a scorched wasteland despite once being billed as Earth’s twin; a pair of US astronomers think they’ve found the biggest comet ever discovered; astronomers have observed a new type of supernova providing fresh insight into the violent life cycle of stars; and the Pentagon has released a highly anticipated report of UFO sightings.

Dr Stephen Curran is a senior lecturer in astrophysics at Victoria University.

Stephen Curran: visiting Venus and giant comets
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