The 41-year-old agreed to show Fred around the European Space Agency's training facility because he was inspired to study science by the presenter's ITV programme 'How' as a child.
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At least 13 people have been injured after a car was driven into a nightclub in Gravesend.
For the second time this month, the region has been hit with heavy snow - leading to disruption and a number of events being cancelled.
James Wright has the latest forecast for the west of the region.