The pair also discuss how the lake discovered inside Mars this week is a big game-changer. Dr Christie gives us the rundown on Mars’ dust storms. To take a look at the video click here.
Listen to the full interview with Dr Grant Christie above.
Weekend Variety Wireless with Graeme Hill, 8pm - midnight Saturdays and Sundays, on RadioLIVE and streaming live to the Rova app on Android and iPhone.