When Giotto met Comet Halley 30 years ago – Watch!
This week, scientists are celebrating the 30th anniversary of Giotto spacecraft’s close encounter with Comet Halley.
Mar 14, 2016, 18:09 PM IST
This week, scientists are celebrating the 30th anniversary of Giotto spacecraft’s close encounter with Comet Halley.
Mar 14, 2016, 18:09 PM IST