BepiColombo
Investigating Mercury's mysteries
BepiColombo will be the second and most complex mission ever to orbit Mercury. Close to the Sun and more difficult for an orbiter to reach than Saturn, this small desert world is the least explored planet of the inner Solar System. Learning more about Mercury will shed light on the history of the entire Solar System.
Packed with scientific instruments, the mission will try to answer many perplexing questions, such as: Why is there ice in the polar craters of the scorched planet? Why does Mercury have a magnetic field? And what are the mysterious 'hollows' on its surface?
- Launch: 20 October 2018 on an Ariane 5 rocket from Europe's Spaceport
- Components: Mercury Planetary Orbiter, Mercury Magnetospheric Orbiter, Mercury Transfer Module
- Status: In operation; en route to Mercury
- Mercury flybys: 1 Oct 2021, 23 June 2022, 19 June 2023, 4 Sept 2024, 1 Dec 2024, 8 Jan 2025
- Arrival at Mercury: November 2026
- Beginning of routine science operations at Mercury: Early 2027
Latest
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ImageScience & Exploration
BepiColombo science themes
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StoryScience & Exploration
Why does it take so long to get to Mercury?
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StoryScience & Exploration
Three reasons why we know so little about Mercury
Mission overview
Video
Science & Exploration
BepiColombo's sixth Mercury flyby: the movie
