The ETH Zurich Institute for Particle Physics and Astrophysics is a member of the Webb Mid-Infrared Instrument (MIRI) Consortium. RUAG Space designed the housing that will protect Webb during launch, which it produced in Emmen (LU) and shipped to Kourou in August 2021. Because of its vast size, Webb needs to be folded down like origami so that it fits into the Ariane 5 launcher. Announcing the expected launch date, ESA expressed pride in the fact that Webb will be launched from the Guiana Space Centre in Kourou, also known as Europe's Spaceport, on an Ariane 5 rocket specially adapted for this mission. Large ground-based radio antennas will receive the signals from the telescope's transmitter and relay them to the Mission Operations Centre at the Space Telescope Science Institute in Baltimore, USA.ĮSA is contributing to two of Webb's four scientific instruments (NIRSpec and MIRI) and its launch, as well as providing personnel to support mission operations. There will be four scientific instruments on board: MIRI (Mid-Infrared Instrument, NASA/ESA), NIRCam (Near-Infrared Camera, NASA), FGS/NIRISS (Fine Guidance Sensor and Near-Infrared Imager and Slitless Spectrograph, CSA) and NIRSpec (Near-Infrared Spectrograph, ESA). It will also have a sunshield the size of a tennis court to protect it from the heat of the sun. Webb’s main mirror, which consists of 18 individually adjustable hexagonal sections, has a diameter of 6.5 metres – making Webb the largest space telescope ever built. The telescope will observe the furthest reaches of the universe from its orbit around the Sun at about 1.5 million kilometres from Earth, or four times the distance from Earth to the Moon. Its mirror will reflect light back to four highly sophisticated scientific instruments in order to study how the first galaxies and stars formed and evolved. Viewed as a successor to the Hubble telescope ‒ which has been in operation for over 30 years now ‒ Webb's field of view will be about 15 times larger. James Webb Space Telescope launch Languages FONES: Federal Office for National Economic Supply.SECO: State Secretariat for Economic Affairs.
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