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OpenDue July 6, 2026

Space weather Observations at L1 to Advance Readiness (SOLAR) Series X-ray Irradiance Sensor (XRIS)

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION

Who can apply

No Set aside used. NONE

About this opportunity

The National Aeronautics and Space Administration's Goddard Space Flight Center is pleased to release the Request for Proposal (RFP) for the X-ray Irradiance Sensor (XRIS) acquisition. This RFP replaces the Draft RFP (Notice ID: XRIS-DRFP-80GSFC26R7004) issued on February 4, 2026 in its entirety. All attachments to this posting together constitute the complete RFP, including all instructions, restrictions, provisions, and contract clauses. Update 1: Posted Question and Answer document.

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