https://www.gravityresearchfoundation.org/home-1 daily 1.0 2025-05-13 https://images.squarespace-cdn.com/content/v1/5852e579be659442a01f27b8/1484947201568-6AG8S0E3H9K4QC02E9B0/banner2017.jpg Gravity Research Foundation home page https://images.squarespace-cdn.com/content/v1/5852e579be659442a01f27b8/1484948509907-ZQWWO11WKEOQHOQ6C0JB/Galaxy+Cluster+Abell+1689+-+Hubble+Space+Telescope Gravity Research Foundation home page GRAVITY LENS - Galaxy Cluster Abell 1689 Hubble Space Telescope NASA, N. Benitez (JHU), T. Broadhurst (The Hebrew University), H. Ford (JHU), M. Clampin (STcl), G Hartig (STScl), GIllingworth (UCO/Lick Observatory), the ACS Science Team and ESA STSck-PRC03-01a https://www.gravityresearchfoundation.org/historic daily 0.75 2024-07-08 https://images.squarespace-cdn.com/content/v1/5852e579be659442a01f27b8/1484775565949-YTC74YJ9YWI2ZIE1L92O/Roger+Babson HISTORIC Roger Babson https://images.squarespace-cdn.com/content/v1/5852e579be659442a01f27b8/1485192631546-ZE1DWYP8EHKSD9TA2K8Y/George+Rideout HISTORIC George Rideout https://www.gravityresearchfoundation.org/campaign daily 0.75 2026-01-30 https://images.squarespace-cdn.com/content/v1/5852e579be659442a01f27b8/1484948045373-6HIEYZ1HHRS4C4I8UDEO/%245+Million+Endowment+Campaign CAMPAIGN NASA's Spitzer and Hubble Space Telescope: Orion nebula https://www.gravityresearchfoundation.org/announcement daily 0.75 2025-05-13 https://images.squarespace-cdn.com/content/v1/5852e579be659442a01f27b8/1485210156661-BOB3NYPGP1ANMF4V88N6/Black+Hole+illustration+NASA AWARDS Illustration of a supermassive black hole wth millions to billions times the mass of our sun. Image credit: NASA/JPL-Caltech https://www.gravityresearchfoundation.org/ijmpd-1 daily 0.75 2026-01-10 https://images.squarespace-cdn.com/content/v1/5852e579be659442a01f27b8/1484949272699-PQHYYWXR5TVN3VBDVYM2/NGC+7293+seen+through+several+visible+filters+by+Hubble+Space+Telescope. IJMPD The Eye of God - NGC 7293 seen through several visible filters by Hubble Space Telescope. https://www.gravityresearchfoundation.org/links daily 0.75 2025-05-13 https://images.squarespace-cdn.com/content/v1/5852e579be659442a01f27b8/1484349899790-DCO8XRU8XDYD93X1HTT4/Core+of+the+Crab+Nebula+-+NASA+and+ESA LINKS Core of the Crab Nebula Credit: NASA and ESA Acknowledgment: J. Hester (ASU) and M. Weisskopf (NASA/MSFC) https://www.gravityresearchfoundation.org/about daily 0.75 2022-12-08 https://images.squarespace-cdn.com/content/v1/5852e579be659442a01f27b8/1484349138768-3BJTM0TSBAI9G4RZSK3I/MACS+J0416+NASA%2C+ESA CONTACT MACS J0416 Credit: NASA, ESA, CXC, NRAO/AUI/NSF, STScI, and G. Ogrean (Stanford University) Acknowledgment: NASA, ESA, J. Lotz (STScI), and the HFF team https://www.gravityresearchfoundation.org/name daily 0.75 2025-05-13 https://www.gravityresearchfoundation.org/year daily 0.75 2026-02-12 https://www.gravityresearchfoundation.org/award-winners-1 daily 0.75 2025-05-13 https://www.gravityresearchfoundation.org/competition daily 0.75 2026-01-10