Former Brisbane planetarium curator Mark Rigby is here to unpack the technology behind stopping major asteroids from hitting earth, which could be crucial to future efforts by NASA in coping with that scenario.

<p>Former Brisbane planetarium curator Mark Rigby is here to unpack the technology behind stopping major asteroids from hitting earth, which could be crucial to future efforts by NASA in coping with that scenario.</p>

Join Peter Fegan on Saturdays and Sundays from 9am for all the latest local news.

<p>Join Peter Fegan on Saturdays and Sundays from 9am for all the latest local news.</p>

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