In an unexpected twist of empathy, Leah and Chelsea are putting their heads together to save the Earth… yes, you read that right!

Asteroid researcher and planetary astronomer Andy Rivkin of John Hopkins University joins them to discuss the myriad ways in which we could deflect, destroy or intercept asteroids headed towards Earth. Among the team’s suggestions: a humongous net (a world-wide-web?), a gigantic gong… and Bruce Willis.

Dead Planets Society is a podcast that takes outlandish ideas about how to tinker with the cosmos – from punching a hole in a planet to unifying the asteroid belt to destroying the sun – and subjects them to the laws of physics to see how they fare.

Your hosts are Leah Crane and Chelsea Whyte.

Check out Leah’s asteroid Armageddon story here.

If you have a cosmic object you’d like to figure out how to destroy, email the team at deadplanets@newscientist.com. It may just feature in a later episode… And if you just want to chat about this episode or wrecking the cosmos more generally, tweet @chelswhyte and @downhereonearth.

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#4 Dead Planets Society: Asteroid Gong

The World, the Universe and Us