28.04.2017
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Set for launch in 2019, ESA spacecraft will get closer to the Sun than ever before
Rome, April 28, 2017 - Thales Alenia Space, the joint venture between Thales (67%) and Leonardo (33%), today announced two milestones in the Solar Orbiter mission to investigate the Sun and the heliosphere. It has completed construction of the heat shield on behalf of Airbus Defence and Space for the European Space Agency's Solar Orbiter spacecraft, and delivered to the Italian space agency ASI the scientific instrument METIS (Multi-Element Telescope for Imaging and Spectroscopy).
Scheduled for a 2019 launch, the Solar Orbiter will perform an in-depth study of the main phenomena associated with the Sun and the solar corona. Sent into a highly elliptic orbit around the Sun, this advanced spacecraft will be able to observe the Sun more closely than ever before, at a distance less than that between the Sun and Mercury.
The Solar Orbiter will be carrying ten scientific instruments, including METIS, proposed by an Italy-led international scientific consortium founded by ASI, and produced by Thales Alenia Space Italy in conjunction with OHB Italia. This innovative instrument will produce the first high-resolution images of the solar corona in polarized visible light and in ultraviolet. The data gathered by Metis will allow scientists to completely characterise remotely the two most important plasma components of the corona and the solar wind (electrons and protons) and answer fundamental questions about the origins of the fast and slow wind, the sources of solar energetic particles, and the eruption and early changes in coronal mass ejections.
The heat shield, designed and produced by Thales Alenia Space in Turin, Italy for Airbus Defence and Space, has been shipped to the IABG facility in Germany for final thermal-mechanical acceptance tests. The heat shield was a daunting technological challenge because it will have to protect the satellite from the intense solar radiation present at such close range. It is sized to keep the entire satellite in the shade, radiating the accumulated heat into deep space. The outermost layer is made of titanium, and can withstand temperatures up to 600 C.
With these two latest milestones in the Solar Orbiter program, Thales Alenia Space continues to confirm its technological expertise for leading-edge space exploration endeavors. The company has already developed advanced scientific instruments for the Planck and GOCE missions, and will provide sophisticated radio instruments for the upcoming BepiColombo mission to explore Mercury and the Euclid satellite designed to map the geometry of the dark universe .
Photo copyright:
Artistic view: ESA
Metis instrument: Thales Alenia Space
About Thales Alenia Space
Thales Alenia Space brings over 40 years of experience to the design, integration, testing and operation of innovative space systems for telecommunications, navigation, Earth observation, environmental management, exploration, science and orbital infrastructures. A joint venture between Thales (67%) and Leonardo (33%), Thales Alenia Space also teams up with Telespazio to form the parent companies' Space Alliance , which offers a complete range of services and solutions. Thales Alenia Space has built up unrivaled expertise in dual (civil-military) missions, constellations, flexible high-throughput payloads, altimetry, meteorology, and high-resolution radar and optical observation. The company capitalizes on its strong legacy, while also making innovation a key to its strategy. By offering a continuous stream of new products and expanding its global footprint, Thales Alenia Space has established its leadership in today's fast-evolving space sector. Thales Alenia Space posted consolidated revenues of about 2.4 billion euros in 2016 and has 7,980 employees in nine countries. www.thalesaleniaspace.com
Thales Alenia Space - Press Contacts:
Sandrine Bielecki
Phone: 33 (0)4 92 92 70 94
sandrine.bielecki@thalesaleniaspace.com
Chrystelle Dugimont
Phone: 33 (0)4 92 92 74 06
chrystelle.dugimont@thalesaleniaspace.com
Tiziana Ebano
Tel: 39 06 41512574
tiziana.ebano@thalesaleniaspace.com
Cinzia Marcanio
Tel: 39 06 41512685
cinzia.marcanio@thalesaleniaspace.com
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28.04.2017 
