. NASA's Lunar Trailblazer Gets a Taste of Space. NASA's Lunar Trailblazer undergoes thermal vacuum chamber (TVAC) testing at Lockheed Martin Space in Littleton, Colorado, in June 2023. The extremely low pressures and temperatures during these tests simulate the conditions that the spacecraft will experience during in space. Lunar Trailblazer, which has a mass of about 440 pounds (200 kilograms) and measures only feet ( meters) wide with its solar panels deployed, has now completed TVAC testing and is nearing completion before its planned launch in early 2024. The spacecraft's two scie
. NASA's Lunar Trailblazer Gets a Taste of Space. NASA's Lunar Trailblazer undergoes thermal vacuum chamber (TVAC) testing at Lockheed Martin Space in Littleton, Colorado, in June 2023. The extremely low pressures and temperatures during these tests simulate the conditions that the spacecraft will experience during in space. Lunar Trailblazer, which has a mass of about 440 pounds (200 kilograms) and measures only feet ( meters) wide with its solar panels deployed, has now completed TVAC testing and is nearing completion before its planned launch in early 2024. The spacecraft's two science instruments will map the form, abundance, and locations of water in on the lunar surface while also revealing the thermal properties and surface composition of those regions.
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