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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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The European Space Agency LISA observatory


PCOS News

Program News and Announcements

9 November 2021
Astrophysics Division (APD) Needs Community Inputs to NASA Astrophysics Technology Gap Prioritization Process Following Astro2020 »  Details.
5 November 2021
PCOS Chief Scientist Opening »  Details.
5 November 2021
NASA Advisory Council Science Committee Meeting 9–10 November 2021 »  Details.
27 October 2021
ROSES-21: D.7 SAT Dates Unchanged »  Details.
27 October 2021
Two Astrophysics Explorer Solicitations Amended To Extend Mandatory NOI Due Date »  Details.
22 October 2021
Applications Sought for PhysPAG Executive Committee »  Details.
22 October 2021
PCOS Activities at NSBP »  Details.
19 October 2021
NASA Selects Gamma-ray Telescope Compton Spectrometer and Imager (COSI) to Chart Milky Way Evolution »  Details.
18 October 2021
Physics of the Cosmos (PCOS) Program Office Conducting Study of LISA Science Implementation Options for NASA »  Details.
30 September 2021
ROSES-21: Final Text and Due Dates for D.3 APRA and D.7 SAT »  Details.
13 August 2021
ROSES-21 Amendment 29: Updates to D.11 NICER Guest Observer Cycle 4 »  Details.
29 July 2021
Life and Physical Sciences Decadal Survey Call for White Papers. »  Details.

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