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ESA / NASA launch Solar Orbiter

epa08205275 An undated handout image made available by ESA shows an illustration of ESA's (European Space Agency's) Solar Orbiter spacecraft against the backdrop of an image of the Sun (issued 09 February 2020). Solar Orbiter will capture the very first images of the Sun's polar regions. These images will provide key insights into the poorly-understood magnetic environment there, which helps drive the Sun's 11-year cycle and its periodic outpouring of solar storms. NASA is targeting 04:03 UTC on 10 February 2020 for the launch of Solar Orbiter, an international collaborative mission between ESA and NASA. The spacecraft will launch on a United Launch Alliance Atlas V 411 rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station (CCAFS) in Florida, USA. EPA-EFE/ESA/ATG MediaLab HANDOUT HANDOUT EDITORIAL USE ONLY/NO SALES HANDOUT EDITORIAL USE ONLY/NO SALES

On Monday, mission controllers at the European Space Operations Centre in Darmstadt, Germany, received a signal from the spacecraft indicating that its solar panels had successfully deployed.

The Solar Orbiter will address big questions in Solar System science to help us understand how our star creates and controls the giant bubble of plasma that surrounds the whole Solar System and influences the planets within it.

It is an ESA mission with strong NASA participation.

NASA said that the Solar Orbiter is on a unique trajectory that will allow its comprehensive set of instruments to provide humanity with the first-ever images of the Sun’s poles. This trajectory includes 22 close approaches to the Sun, bringing the spacecraft within the orbit of Mercury to study the Sun and its influence on space.

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Solar Orbiter will spend about three months in its commissioning phase, during which the mission team will run checks on the spacecraft’s 10 scientific instruments to ensure they are working properly. It will take Solar Orbiter about two years to reach its primary science orbit.

ESA’s European Space Research and Technology Centre in the Netherlands manages the development effort. The European Space Operations Center in Germany will operate Solar Orbiter after launch. Solar Orbiter was built by Airbus Defense and Space. The spacecraft contains 10 instruments. Nine were provided by ESA member states and ESA. NASA provided one instrument, the Solar Orbiter Heliospheric Imager (SoloHI), and an additional sensor, the Heavy Ion Sensor, which is part of the Solar Wind Analyzer instrument suite.

NASA / ESA