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Exoplanet Collisions, Cosmic Snowball Fights & Australia’s Astronomical Future | Space Nuts:...

·37 min·2 clips

Gaia 20 ehk showed “many many dips” before scientists inferred a planetary collision.

The show starts with a joke, but the headline is presented as a joke rather than a literal report: two exoplanets have supposedly collided. Andrew Dunkley tees up the story with a comic image and then hands it to Professor Fred Watson, who keeps the science steady. The pair work through the latest DART material, treating the mission as something still producing useful scientific dividends rather than a one-off stunt. That matters because DART is no longer just a successful impact; it is becoming a source of follow-up data about what happens when you deliberately hit a small body in space. The episode keeps returning to the practical details. Listeners get the sense that the hosts care about the mechanism, not just the headline. After the asteroid work, the discussion widens to Australia's telescope future. A paper about a strategic partnership about to end becomes the hinge for a larger conversation about what comes next. That shift gives the episode some weight. It moves from a strange cosmic event to the long, less glamorous business of scientific infrastructure. The hosts do not overstate the policy angle. Instead, they let the implications come through in patient explanation. The result is an episode that feels informative without getting stiff. There is still room for banter and small asides. Those lighter moments help the technical passages land. The show stays comfortable with terms like exoplanets, impact tests, telescopic science, and strategic partnerships, but it usually translates them before moving on. That keeps the episode approachable for non-specialists. It also keeps the focus on what the news means for astronomy as a working field. The collision story gives the episode a memorable opening. The Australia segment gives it a grounded finish.

As heard by us

A lively astronomy roundup that links cosmic oddities to the systems behind discovery.

Space Nuts opens with the kind of odd, vivid science story that is hard not to follow: two exoplanets colliding. From there it moves into new DART material and then into Australia's telescopic science future as a strategic partnership nears its end.

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Why you'd press play

You want space news that moves from a playful exoplanet collision to DART and telescope strategy.

Read the full recommendation in PlayNext →

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