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Rosetta Mission ( Comet ) (A comet is an icy small Solar System body that,…
Rosetta Mission ( Comet )
A comet is an icy small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process called outgassing.
https://youtu.be/mggUVLFPkQg
Comets usually have highly eccentric elliptical orbits, and they have a wide range of orbital periods, ranging from several years to potentially several millions of years.
https://youtu.be/T6aGXAhmyzs
Rosetta (spacecraft)
a comet mission
On 6 August 2014, the spacecraft reached the comet and performed a series of manoeuvres to eventually orbit the comet at distances of 30 to 10 kilometres (19 to 6 mi).
On 12 November, its lander module Philae performed the first successful landing on a comet,[14] though its battery power ran out two days later.
Rosetta was launched on 2 March 2004 from the Guiana Space Centre in French Guiana on an Ariane 5 rocket and reached Comet Churyumov–Gerasimenko on 7 May 2014
They landed on a comet!!
During the 1986 approach of Halley's Comet, international space probes were sent to explore the comet, most prominent among them being ESA's Giotto.[38] After the probes returned valuable scientific information, it became obvious that follow-ons were needed that would shed more light on cometary composition and answer new questions.
The Rosetta mission achieved many historic firsts.
On its way to comet 67P, Rosetta passed through the main asteroid belt, and made the first European close encounter with several of these primitive objects. Rosetta was the first spacecraft to fly close to Jupiter's orbit using solar cells as its main power source
Rosetta was the first spacecraft to orbit a comet nucleus,[49] and was the first spacecraft to fly alongside a comet as it headed towards the inner Solar System.
