S0·E16 – A Close Encouter of the Second Kind
1992-07-10 • 60 min
This Horizon special program explores what happened when the "Giotto" explorer spacecraft passed within 100 kilometres of Halley's Comet.
1992-07-10 • 60 min
This Horizon special program explores what happened when the "Giotto" explorer spacecraft passed within 100 kilometres of Halley's Comet.