'On March 6, 1986 Vega 1 became the first spacecraft to rendezvous with this comet'
Halley\'s Comet
UNMANNED SPACE EXPLORATION: On March 6, 1986 Vega 1 became the first spacecraft to rendezvous with this comet
On March 6, 1986 Vega 1 became the first spacecraft to rendezvous with this comet
On March 6, 1986 Vega 1 became the first spacecraft to rendezvous with this comet
UNMANNED SPACE EXPLORATION
Halley\'s Comet
UNMANNED SPACE EXPLORATION