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Astrophsyics

About Physics of the Cosmos (PCOS)

The Physics of the Cosmos (PCOS) Program is one of three focused programs contained within NASA's Astrophysics Division (APD), together with Cosmic Origins (COR) and the Exoplanet Exploration Program (ExEP). PCOS lies at the intersection of physics and astronomy. Its purpose is to explore some of the most fundamental questions regarding the physical forces and laws of the universe: the validity of Einstein's General Theory of Relativity and the nature of spacetime, the behavior of matter and energy in extreme environments, the cosmological parameters governing inflation and the evolution of the universe, and the nature of dark matter and dark energy.

Located at the Goddard Space Flight Center, the PCOS Program Office supports, tracks, and studies a suite of science missions and enabling technologies that focus on specific aspects of these topics. PCOS activities include:

  • Facilitating the PCOS Program Analysis Group (PhysPAG), which comprises standing Science Interest Groups (SIGs) engaged in particular branches of high-energy astrophysics, and shorter-term Science Analysis Groups (SAGs) convened to address related science and technology topics.

  • Keeping its members informed of upcoming developments and funding opportunities, both within NASA and at other agencies engaged in science and technology activities.

  • Soliciting, and prioritizing community-identified technology gaps that must be closed to enable or enhance future strategic Astrophysics missions with benefits to PCOS science. This technology gap prioritization informs APD’s strategic technology development solicitation, selection, and funding.

  • Managing funded technology projects with benefits to PCOS science.

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PCOS News

See our new Events Calendar

Program News and Announcements

1 July 2022
Astrophysics Probe Announcement of Opportunity Schedule Update »  Details.
1 July 2022
NICER GO – Cycle 5 Revised Text and Phase-1 Due Date Delay »  Details.
1 July 2022
Swift Cycle 19 Update on Joint Observations with NICER »  Details.
1 July 2022
Inaugural NASA Sounding Rocket Symposium »  Details.
1 July 2022
1st Precursor Science Workshop Summary Report and Worksheets Posted »  Details.
26 May 2022
Astrophysics Biennial Technology Report and Tech Gaps Announcements »  Details.
5 April 2022
The NASA Physics of the Cosmos (PCOS) Program Office is organizing a Time Domain and Multi-Messenger Astrophysics (TDAMM) Initiative Workshop to be held in the Annapolis area on August 22nd–24th 2022 »  Details.

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