BepiColombo Spacecraft Launch on 7-Year Trek to Mercury for Europe and Japan

BepiColombo Spacecraft Launch on 7-Year Trek to Mercury for Europe and Japan

BepiColombo Spacecraft Launch on 7-Year Trek to Mercury for Europe and Japan







A joint European-Japanese mission to the smaller planet, Mercury, took off from French Guiana on its long journey tonight (October 19, October 20, GMT).



	

	That mission BepiColomboHe will spend seven years navigating to his target, where he will split into two spaceships and orbit Mercury for a year, or two, if the mission extends. The measures taken there could not only solve persistent mysteries on the innermost planet, but also on the formation of our solar system and the neighbors. The entire mission cost the European Space Agency (ESA) and the Japan Aerospace Exploration Agency (JAXA) nearly $ 2 billion, according to press reports.

		"It's a great day," said ESA Director General Jan Woerner after the launch. "Let's go to Mercury together, come on, Bepi, go!"

		An Arianespace Ariane 5 ECA rocket with the paired spaceship was launched at 9:45 p.m. EDT (0145 GMT, October 20) from Kourou, French Guiana. Approximately 26 minutes later, the ship was deployed, making contact with the control of the mission about 40 minutes after the launch, as scheduled.

The[[The most durable mysteries of mercury]





						


An Ariane 5 rocket launches the European-Japanese BepiColombo mission to Mercury from the European spaceport at the Guiana Space Center in Kourou, French Guiana, on October 19, 2018.

            						    Credit: ESA-CNES-Arianespace 


		Now, scientists have to wait seven long years before the two spacecraft that make up BepiColombo reach Mercury and separate to begin observations of the strange little planet in December 2025.

		But that does not mean they are going to turn their thumbs: BepiColombo has some tasks to face, even when it comes to the long trip to Mercury. As you travel, an instrument on board will make the most accurate measurements to date of the orbits of Mercury and the Earth around the Sun. Scientists will be able to use these measurements to pursue one of their favorite hobbies: try to find any deficiency in Theory of general relativity of Einstein..

		The united spacecraft will also make a series of overflights: one from Earth, two from Venus and six from Mercury. That is why the cruise will take so long, but it is necessary for BepiColombo to counteract the enormous gravitational pull of the sun and slide in a stable orbit around Mercury. Along the way, scientists will use flyovers as opportunities to test many of the instruments on board, and possibly learn something new about our neighbors as they travel the ship.

		Finally, in December 2025, BepiColombo will be divided into two components, the Mercury Planetary Orbiter built by the European Space Agency and the Mercury Magnetospheric Orbiter built by the Japan Aerospace Exploration Agency.





						


An artistic illustration of the stacked BepiColombo spacecraft built by Europe and Japan and its transfer module when they arrive at Mercury. The mission will reach Mercury in December 2025.

            						    Credit: Spacecraft: ESA / ATG medialab; Mercury: NASA / JPL 


		Those spacecraft will become the first to study Mercury from the only previous orbiter, NASA. DELIVERY COURIER, ended his mission in 2015 after four years on the little planet.

		The two BepiColombo spacecraft will work in tandem for a year to study all aspects of mercury, from the depths of its core to the Wispy, possible environment That surrounds the planet.



	Email Meghan Bartels in mbartels@space.com or follow it @meghanbartels. Follow us @Spacedotcom Y Facebook. Original article about Space.com.

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