Orbital Space Plane Program (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Orbital Space Plane Program" in English language version.

refsWebsite
Global rank English rank
1st place
1st place
75th place
83rd place
758th place
500th place
2,056th place
1,541st place
low place
low place

astronautix.com (Global: 2,056th place; English: 1,541st place)

  • Lindroos, Marcus. "NASA ACRV". Encyclopedia Astronautica. Archived from the original on 2006-12-10. Retrieved 2011-03-18.

nasa.gov (Global: 75th place; English: 83rd place)

nasa.gov

liftoff.msfc.nasa.gov

ntrs.nasa.gov

orbital.com (Global: low place; English: low place)

senate.gov (Global: 758th place; English: 500th place)

appropriations.senate.gov

  • "VA-HUD and Independent Agencies Subcommittee Hearing of FY05 Budget Request for NASA: Testimony of Sean O'Keefe, Administrator, NASA". Hearings & Testimony. U.S. Senate Committee on Appropriations. 2004-03-11. Archived from the original on 2006-12-27. Retrieved 2007-01-29.

web.archive.org (Global: 1st place; English: 1st place)

  • "VA-HUD and Independent Agencies Subcommittee Hearing of FY05 Budget Request for NASA: Testimony of Sean O'Keefe, Administrator, NASA". Hearings & Testimony. U.S. Senate Committee on Appropriations. 2004-03-11. Archived from the original on 2006-12-27. Retrieved 2007-01-29.
  • Lindroos, Marcus. "NASA ACRV". Encyclopedia Astronautica. Archived from the original on 2006-12-10. Retrieved 2011-03-18.
  • Bray, Becky; Meyer, Patrick (2003-06-17). "Orbital Space Plane--Commuting To Space". Liftoff to Space Exploration. Marshall Space Flight Center. Archived from the original on 2006-12-11. Retrieved 2007-01-29.
  • "Space Launch Initiative fact sheet". NASA. April 2002. Archived from the original on 2016-03-05. Retrieved 2016-12-23.
  • "Beginning a New Era of Space Flight: The Orbital Space Plane". Marshall Space Flight Center. May 2003. Archived from the original on 2011-03-19. Retrieved 2007-01-29.