Giuseppe Colombo
Giuseppe Colombo (Padua, October 2, 1920 – Padua, February 20, 1984), better known by his nickname Bepi Colombo, was an Italian scientist, mathematician and engineer at the University of Padua, Italy.
Mercury
Colombo studied the planet Mercury, and it was his calculations on how to get a spacecraft into a resonant orbit with Mercury with multiple fly-bys that led to the success of the Mariner 10 mission. Colombo also explained the spin-orbit resonance in Mercury's orbit, showing that it rotates three times for every two orbits around the sun.
Saturn's rings
Colombo also made significant contributions to the study of Saturn's rings, mostly using ground-based observations in the era before space exploration reached the outer solar system.
Other contributions
Colombo invented tethers for tying satellites together. He also participated in the planning of Giotto, the European Space Agency's mission to Halley's Comet, but died before the spacecraft was launched.
Legacy
The planned ESA mission to Mercury is named BepiColombo in his honor, as well as the Colombo Gap in Saturn's rings and asteroid 10387 Bepicolombo. The Giuseppe Colombo Centre for Space Geodesy in Matera is also named after him.
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