⏰ when
When was the first direct measurement of a comet’s nucleus made?
Quick Answer
The first close-up study of a comet nucleus came on 14 March 1986, when Giotto flew past Halley’s Comet.
The Full Story
Europe’s Giotto spacecraft made the first close-range measurements of a comet nucleus on 14 March 1986. It flew through the coma of Halley’s Comet and obtained the first detailed data on a comet’s solid core. The encounter showed that comet nuclei are dark, irregular, and rich in volatile material. Giotto’s results greatly improved scientific understanding of comets and their role in the solar system.
Key Facts
1.Flyby date: 14 March 1986
2.Spacecraft: Giotto
3.Target: Halley’s Comet
YouTube Angle
Suggested video title for this topic:
"In 1986, a spacecraft flew through Halley’s Comet and met its nucleus face-to-face."
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