Parker Solar Probe Comes to NASA Goddard for Testing

On Monday, Nov. 6, 2017, NASA's Parker Solar Probe spacecraft arrived at NASA's Goddard Space Flight Center in Greenbelt, Maryland, for environmental tests. During the spacecraft's stay at Goddard, engineers and technicians will simulate extreme temperatures and other physical stresses that the spacecraft will be subjected to during its historic mission to the Sun.

Before arriving at Goddard, Parker Solar Probe was at the Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland, where it was designed and built.

Solar Probe Plus is scheduled to launch aboard a United Launch Alliance Delta 4-Heavy rocket with an upper stage from Cape Canaveral Air Force Station, Florida. The launch window opens for 20 days starting on July 31, 2018. Over 24 orbits, the mission will use seven flybys of Venus to reduce its distance from the sun. The closest three will be just 3.8 million miles from the surface of the star.

Scientists have long wanted to send a probe through the sun's outer atmosphere, or corona, to better understand the solar wind and the material it carries into our solar system. The primary science goals for the Solar Probe Plus mission are to trace the flow of energy and understand the heating of the solar corona and to explore the physical mechanisms that accelerate the solar wind and energetic particles.

To meet those objectives, Solar Probe Plus will carry four instrument suites into the corona and study the solar wind and energetic particles as they blast off the surface of the star. These instruments will study magnetic fields, plasma, and energetic particles, and will image the solar wind.

The instruments are: the Fields Experiment from the University of California Space Sciences Laboratory, Berkeley, California; the Integrated Science Investigation of the Sun from the Southwest Research Institute, San Antonio; the Solar Wind Electrons Alphas and Protons Investigation from the Smithsonian Astrophysical Observatory, Cambridge, Massachusetts; and the Wide Field Imager for Solar Probe Plus from the Naval Research Laboratory, Washington, D.C.

The spacecraft and instruments will be protected from the sun's heat by a 4.5-inch-thick carbon-composite shield. During the closest passes around the sun, temperatures outside the spacecraft will reach nearly 2,500 degrees Fahrenheit.

Solar Probe Plus is part of NASA's Living With a Star Program to explore aspects of the connected sun-Earth system that directly affect life and society. LWS is managed by NASA's Goddard Space Flight Center in Greenbelt, Maryland, for NASA's Science Mission Directorate in Washington.

UK space science mission SMILE gets first round of funding
London, UK (SPX) Nov 06, 2017
UK teams will lead an international solar-terrestrial and space weather mission, taking on the development of a major science instrument thanks to funding from the UK Space Agency. The 3 million pounds will support academics working on SMILE (the Solar wind Magnetosphere Ionosphere Link Explorer), a European Space Agency (ESA) science mission, being delivered jointly with the Chinese Acade ... read more

Related Links
Parker Solar Probe
Solar Science News at SpaceDaily

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