SPHEREx Observatory Ready for Major Thermal Vacuum Test

SPHEREx observatory installed in the Titan Thermal Vacuum (TVAC) test Chamber at BAE Systems in Boulder, CO. The spacecraft and photo shield are covered in multi-layer insulation and blankets, and also surrounded by ground support equipment as part of the test set up. SPHEREx TVAC testing will be performed in June and July 2024, and will include multiple thermal cycles. (Image Captured by: BAE Systems, Courtesy NASA/JPL-Caltech.)
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SPHEREx has made detailed multi-spectral observations of interstellar comet 3I/ATLAS, detecting an abundance of carbon dioxide gas in its coma (the extended gaseous atmosphere of a comet) and water ice in its nucleus. The observations were made between Aug. 7 to Aug. 15, when the object was about 290 million miles (470 million kilometers) from the Sun.
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