Clinton Maynard is joined by Fred Watson AM, Australia's Astronomer-at-large and science communicator, to discuss Halley's Comet as it embarks on its journey back to Earth this week.

For the last 38 years, Halley’s Comet has moved millions of miles farther away from us every day.   Now, it’ll spend the next 38 years moving closer.

Halley’s comet is set to make its close approach to the sun on July 28, 2061...

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