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NASA TV Coverage of European Mission Comet Touchdown


Artist’s concept of Rosetta shortly before hitting Comet 67P/Churyumov-Gerasimenko on Sept. 30, 2016. Image credit: ESA/ATG medialab

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NASA TV Coverage of European Mission Comet Touchdown

NASA Television and the agency’s website will air the conclusion of ESA’s (European Space Agency’s) Rosetta mission from 3:15 to 5 a.m PDT (6:15 to 8 a.m. EDT) Friday, Sept. 30, with NASA commentary, interviews and analysis of the successful mission. The Rosetta mission will end with the controlled descent of the spacecraft onto the surface of comet 67P/Churyumov-Gerasimenko at around 4:20 a.m. PDT (7:20 a.m. EDT).

Rosetta was launched in 2004 carrying 11 science instruments, with several contributions from NASA including: the Microwave Instrument for Rosetta Orbiter (MIRO); the Alice spectrograph; the Ion and Electron Sensor (IES); and the Double Focusing Mass Spectrometer (DFMS) electronics package for the Rosetta Orbiter Spectrometer for Ion Neutral Analysis (ROSINA). NASA’s Deep Space Network supports ESA’s Ground Station Network for spacecraft tracking and navigation.

The spacecraft arrived at its destination comet on Aug. 6, 2014, becoming the first mission in history to rendezvous with a comet and escort it as it orbits the sun. About two months later, the small Philae lander deployed from Rosetta touched down on the comet and bounced several times before alighting on the surface. Philae obtained the first images ever taken from the surface of a comet, and sent back valuable scientific data for several days. ESA is ending the mission because the spacecraft’s ever-increasing distance from the sun has resulted in significantly reduced solar power to operate the spacecraft and its instruments.

Comets are time capsules containing primitive material left over from the epoch when the sun and its planets formed. Rosetta is the first spacecraft to witness up close how a comet changes as it is subjected to the increasing intensity of the sun’s radiation. Observations will help scientists learn more about the origin and evolution of our solar system and the role comets may have played in the formation of planets.

source : NASA – Jet Propulsion Laboratory – California Institute of Technology

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