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DSCOVR was placed in operation at the L1 Lagrange point to monitor the Sun, because the constant stream of particles from the Sun (the solar wind) reaches L1 about 60 minutes before reaching Earth. DSCOVR will usually be able to provide a 15- to 60-minute warning before a surge of particles and magnetic field from a coronal mass ejection (CME ...
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DSCOVR is unofficially known as GORESAT, because it carries a camera always oriented to Earth and capturing full-frame photos of the planet similar to the Blue Marble. This concept was proposed by then-Vice President of the United States Al Gore in 1998 [4] and was a centerpiece in his 2006 film An Inconvenient Truth. [5]
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Currently, an artificial satellite called the Deep Space Climate Observatory (DSCOVR) is located at L 1 to study solar wind coming toward Earth from the Sun and to monitor Earth's climate, by taking images and sending them back. [3] The James Webb Space Telescope, a powerful infrared space observatory, is located at L 2. [4]
DSCOVR was launched on a Falcon 9 launch vehicle in 2015, while STP-2 was launched on a Falcon Heavy on 25 June 2019. [ 264 ] The Falcon 9 v1.1 was certified for National Security Space Launch (NSSL) in 2015, allowing SpaceX to contract launch services to the Air Force for any payloads classified under national security. [ 149 ]
DSCOVR: Active NASA 2015 Deep Space Climate Observatory. Designed to study the Sun-lit side of Earth from the L1 Lagrange point. [8] DubaiSat-1 and 2: Active Mohammed bin Rashid Space Centre (MBRSC) 2009 EarthCARE: Active ESA and JAXA 2024 Designed to study clouds and aerosols. [9] Elektro-L No. 1, 2, and 3: Active Russia's Roscosmos: 2011 ...
Along with Aditya-L1, Wind, Advanced Composition Explorer (ACE), and Deep Space Climate Observatory (DSCOVR), SOHO is one of five spacecraft in the vicinity of the Earth–Sun L1 point, a point of gravitational balance located approximately 0.99 astronomical unit (AU) from the Sun and 0.01 AU from the Earth.