27 Years in Space: Chandra X-ray Observatory
NASA spacecraft in extended mission phase reaches 27th full year of operations in space; instruments able to detect X-ray sources 100 times fainter than any previous X-ray telescope; launched 1999.
3 events found.
High Earth Orbit (HEO)
Events at this venue
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High Earth Orbit (HEO)
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8 Years in Space: Transiting Exoplanet Survey Satellite (TESS)
High Earth Orbit (HEO)Space telescope for NASA Explorers program reaches 8th full year in space today, designed to search for exoplanets using the transit method in an area 400 times larger than that covered by Kepler / K2 mission; launched April 18, 2018.
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17 Years in Space: Interstellar Boundary Explorer (IBEX)
High Earth Orbit (HEO)NASA spacecraft mapping boundary between the Solar System and interstellar space surpasses another full year in space; launched on this day 2008.