On March 6, 1986, the Soviet Union's Vega 1 spacecraft flew by Halley's Comet.
Vega 1 was the first of five missions to fly by Halley's Comet in the same month. This fleet of spacecraft has been called the "Halley Armada." Because Halley's Comet only comes around once every 75 years, space agencies around the world took advantage of this once-in-a-lifetime opportunity. Before Vega 1 went to the comet, it first flew by Venus to drop off a lander. It then used Venus to perform a gravitational assist maneuver, which put it right on track to fly by Halley's Comet.
Vega 1 was the first of five missions to fly by Halley's Comet in the same month. This fleet of spacecraft has been called the "Halley Armada." Because Halley's Comet only comes around once every 75 years, space agencies around the world took advantage of this once-in-a-lifetime opportunity. Before Vega 1 went to the comet, it first flew by Venus to drop off a lander. It then used Venus to perform a gravitational assist maneuver, which put it right on track to fly by Halley's Comet.
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TechTranscript
00:00On this day in space.
00:04On March 6, 1986, the Soviet Union's Vega 1 spacecraft flew by Halley's Comet.
00:10Vega 1 was the first of five missions to fly by Halley's Comet in the same month.
00:14This fleet of spacecraft has been called the Halley Armada.
00:18Because Halley's Comet only comes around once every 75 years,
00:21space agencies around the world took advantage of this once-in-a-lifetime opportunity.
00:25Before Vega 1 went to the comet, it first flew by Venus to drop off a lander.
00:30It then used Venus to perform a gravitational-assist maneuver,
00:33which put it right on track to fly by Halley's Comet.
00:36And that's what happened on this day in space.
00:39NASA Jet Propulsion Laboratory, California Institute of Technology