SPHEREx Submitted as a NASA Medium-Class Explorer

News Release • December 15th, 2016

An enhanced version of SPHEREx was submitted as a NASA Medium-Class Explorer (MIDEX), with Step-1 selections expected in July 2017. If approved, the augmentations will make SPHEREx a significantly more powerful survey telescope for the astronomical community as a MIDEX.


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SPHEREx observatory continues its thorough testing campaign and successfully passed its vibe test at BAE Systems in Boulder, CO.

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SPHEREx observatory continues its thorough testing campaign and successfully passes its acoustic test.

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SPHEREx observatory is now installed in the Titan Thermal Vacuum (TVAC) test Chamber at BAE Systems in Boulder, CO.

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The SPHEREx observatory is now fully assembled and ready to enter its environmental test campaign.

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The final assembly of the SPHEREx observatory has began.

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