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Bolden visited Goddard's Integration and Test Facility where the four MMS spacecraft are undergoing testing. The spacecraft were in a rare four-stack arrangement inside a clean room after completing vibration testing. The clean room itself was temporarily altered to allow a close-up view of the approximate 20-foot high collection of four observatories in their launch configuration.

In addition to Bolden, MMS project personnel were available to answer questions about the mission, ground testing and preps for launch.

During its two-year mission, MMS will explore the mystery of how magnetic fields around Earth connect and disconnect, explosively releasing energy — a process known as magnetic reconnection. The four MMS spacecraft will provide the first three-dimensional views of this fundamental process that occurs throughout our universe.", "items": [], "extra_data": {} }, { "id": 344759, "url": "https://svs.gsfc.nasa.gov/11551/#media_group_344759", "widget": "Video player", "title": "", "caption": "", "description": "Scientist John Dorelli explains the MMS mission's orbit and why the four spacecraft fly in a tetrahedron formation.

On its journey, MMS will observe a little-understood, but universal phenomenon called magnetic reconnection, responsible for dramatic re-shaping of the magnetic environment near Earth, often sending intense amounts of energy and fast-moving particles off in a new direction. Not only is this a fundamental physical process that occurs throughout the universe, it is also one of the drivers of space weather events at Earth. To truly understanding the process, requires four identical spacecraft to track how such reconnection events move across and through any given space in 3D. 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The Magnetospheric Multiscale, or MMS, mission will provide the first three-dimensional views of this fundamental process that can accelerate particles to nearly the speed of light. MMS uses Earth’s protective magnetic space environment, the magnetosphere, as a natural laboratory to directly measure reconnection. Reconnection is a common processes in our universe; occurring in space near Earth, in the atmosphere of the sun and other stars, in the vicinity of black holes and neutron stars, and at virtually any boundary between space plasmas, including the boundary between our solar system's heliosphere and interstellar space. || ", "release_date": "2014-05-15T01:30:00-04:00", "update_date": "2025-01-12T00:19:53.910498-05:00", "main_image": { "id": 456129, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011500/a011526/reconnection.jpg", "filename": "reconnection.jpg", "media_type": "Image", "alt_text": "A movie trailer about the MMS mission.Watch this video on the NASAexplorer YouTube channel.For complete transcript, click here.", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 11524, "url": "https://svs.gsfc.nasa.gov/11524/", "page_type": "Produced Video", "title": "3 Days in 1 Minute: Stacking the MMS Spacecraft", "description": "The Magnetospheric Multiscale, or MMS, mission stacked all four of its spacecraft in preparation for vibration testing. 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This process is called magnetic reconnection and can occur throughout all space. || ", "release_date": "2014-04-18T10:00:00-04:00", "update_date": "2025-01-12T00:19:53.691144-05:00", "main_image": { "id": 456231, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011500/a011524/MMSstack720.jpg", "filename": "MMSstack720.jpg", "media_type": "Image", "alt_text": "Watch this video on the NASAexplorer YouTube channel.", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 20098, "url": "https://svs.gsfc.nasa.gov/20098/", "page_type": "Animation", "title": "MMS orbit animation", "description": "This animation shows the orbits of Magnetospheric Multiscale (MMS) mission, a Solar-Terrestrial Probe mission comprising of four identically instrumented spacecraft that will study the Earth's magnetosphere. || ", "release_date": "2007-01-23T00:00:00-05:00", "update_date": "2023-05-03T13:55:45.441283-04:00", "main_image": { "id": 509390, "url": "https://svs.gsfc.nasa.gov/vis/a020000/a020000/a020098/MMS000100002_print.jpg", "filename": "MMS000100002_print.jpg", "media_type": "Image", "alt_text": "Animation of MMS mission orbital path.", "width": 1023, "height": 682, "pixels": 697686 } } ], "sources": [], "products": [], "newer_versions": [], "older_versions": [], "alternate_versions": [] }