Orbiting Astronomical Observatory 2 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Orbiting Astronomical Observatory 2" in English language version.

refsWebsite

Global rank English rank

4nasa.gov

75^th place

83^rd place

2si.edu

340^th place

295^th place

1planet4589.org

8,665^th place

6,411^th place

1books.google.com

3^rd place

1skyrocket.de

4,664^th place

3,842^nd place

1wisc.edu

1,045^th place

746^th place

1web.archive.org

1^st place

1weebly.com

1,195^th place

925^th place

books.google.com

Joseph A. Angelo (2014). Spacecraft for Astronomy. Infobase Publishing. p. 20. ISBN 978-1-4381-0896-4.

nasa.gov

"NASA's First Stellar Observatory, OAO 2, Turns 50". NASA. 11 December 2018. Retrieved 19 March 2023.
Reddy, Francis (11 Dec 2018). "NASA's First Stellar Observatory, OAO 2, Turns 50". NASA.gov. Retrieved 7 January 2023.

nssdc.gsfc.nasa.gov

planet4589.org

McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 12 October 2013.

si.edu

airandspace.si.edu

"Detector, Uvicon, Celescope". National Air and Space Museum. 2016-11-24. Retrieved 2018-01-24.
"Detector, Uvicon, Celescope | National Air and Space Museum". airandspace.si.edu. Archived from the original on 2018-01-25.

skyrocket.de

space.skyrocket.de

Gunter – OAO-2

web.archive.org

"Detector, Uvicon, Celescope | National Air and Space Museum". airandspace.si.edu. Archived from the original on 2018-01-25.

Orbiting Astronomical Observatory 2 (English Wikipedia)

books.google.com

nasa.gov

nasa.gov

nssdc.gsfc.nasa.gov

planet4589.org

si.edu

airandspace.si.edu

skyrocket.de

space.skyrocket.de

web.archive.org

weebly.com

draperspacetelescopes.weebly.com

wisc.edu

sal.wisc.edu