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A pair of spacecraft draw closer to Mercury after nearly decade-long voyage

The European and Japanese probes will spend about six months in Mercury arrival operations before entering orbit and starting science work next spring, ESA said.

  • The Mercury Transfer Module will separate from the BepiColombo spacecraft stack today, Thursday, at 8 a.m. ET, marking a critical milestone for the European Space Agency's mission to Mercury.
  • Jointly operated by the ESA and Japan Aerospace Exploration Agency , the mission deploys two independent spacecraft: the Mercury Planetary Orbiter to observe the planet's surface, and the Mercury Magnetospheric Orbiter to study the space environment.
  • The spacecraft faces extreme conditions, with surface temperatures reaching 800 degrees Fahrenheit. Ignacio Tanco, head of Inner Solar System Mission Operations at the ESA, said the environment is "essentially equivalent to operating with a very hot pizza oven running right on your back."
  • Scientists hope to probe mysteries including surface depressions called hollows and investigate why Mercury is so dense for its size, according to Geraint Jones, lead project scientist for BepiColombo at the ESA.
  • The orbiters will be captured by Mercury's gravity on November 21, then separate and enter their final orbital positions by March before science operations officially begin in April.
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The space probe "Bepicolombo" began its approach to the planet Mercury after an eight-year journey through space.

·Germany
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BepiColombo, after almost eight years of flight, began the final stage of its arrival at Mercury. Both ESA and JAXA are scheduled to begin scientific observations in April.

·Kyiv, Ukraine
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Volkskrant broke the news in Amsterdam, Netherlands (Kingdom of the) on Wednesday, September 2, 2026.
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