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Solar Orbiter moves to launch site – complete with Enbio’s SolarBlack coated heatshield!

Solar Orbiter ready to depart Europe

ESA’s Solar Orbiter mission has completed its test campaign in Europe and is now being packed ready for its journey to Cape Canaveral at the end of this month, ahead of launch in February 2020.

The spacecraft was on display today for the final time in Europe, at the IABG test centre near Munich, Germany. It was built at Airbus Stevenage, UK, and has spent the last year at IABG undergoing essential testing such as checking deployment mechanisms, and that it can withstand the vibrations of launch, and the thermal extremes and vacuum of space. It has now been declared ready for shipment to the launch site and will travel an Antonov cargo plane on 31 October.

Once launched it will follow an elliptical path around the Sun, at its closest bringing it within the orbit of Mercury, just 42 million kilometres from the Sun. As such, Sun-facing parts of the spacecraft have to withstand temperatures of more than 500ºC – due to solar radiation thirteen times more intense than for Earth-orbiting satellites – while other parts remain in shadow at -180ºC.

The mission is essential to learn more about the Sun-Earth connection. We live inside a giant bubble of plasma generated by the Sun that surrounds the entire Solar System, within which we are prey to space weather. Solar Orbiter will provide a deeper understanding as to how activity on the Sun is linked to these solar storms, which can disrupt electrical systems, satellite communications, GPS, and create higher doses of radiation for polar flights and astronauts.

“Solar Orbiter is set for answering some of the biggest scientific questions about our star, and its data will help us to better protect our planet from the global challenges of space weather,” says Günther Hasinger, ESA Director of Science.

“Thanks to the hard work of our teams building and testing this inspiring space mission, we’ve reached an important milestone today in Europe, and the spacecraft will now be readied for its final phase of pre-launch preparations at Cape Canaveral.”

More on ESA website.

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