The Orbiting Astronomical Observatory (OAO) satellites were a series of four American space observatories launched by NASA between 1966 and 1972, managed...

The Orbiting Astronomical Observatory 2 (OAO-2, nicknamed Stargazer) was the first successful space telescope (first space telescope being OAO-1, which...

1946, the first operational telescopes were the American Orbiting Astronomical Observatory, OAO-2 launched in 1968, and the Soviet Orion 1 ultraviolet...

Copernicus or OAO-3 (Orbiting Astronomical Observatory 3), also mentioned as Orbiting Astronomical Observatory-C, was a space telescope intended for ultraviolet...

nationalists understand it, he was neither." The third in NASA's Orbiting Astronomical Observatory series of missions, launched on 21 August 1972, was named...

This is a partial list of astronomical observatories ordered by name, along with initial dates of operation (where an accurate date is available) and location...

NASA's series of Great Observatories satellites are four large, powerful space-based astronomical telescopes launched between 1990 and 2003. They were...

OAO, a three-letter acronym, may stand for: Orbiting Astronomical Observatory, the name of four NASA scientific satellites Open joint-stock company (Russian:...

Kopernik or Kopernikus may also refer to: OAO-3 Copernicus, an orbiting astronomical observatory (X-ray and UV) launched on 21 August 1972 Copernicus Programme...

The Lick Observatory is an astronomical observatory owned and operated by the University of California. It is on the summit of Mount Hamilton, in the Diablo...

(such as public health observatory) or for a particular geographic area (European Audiovisual Observatory). Astronomical observatories are mainly divided...

The Vera C. Rubin Observatory, formerly known as the Large Synoptic Survey Telescope (LSST), is an astronomical observatory in Chile. Its main task will...

States, and remains the country's leading facility for astronomical and timing data. The observatory is located in Northwest Washington, D.C. at the northwestern...

Experiment Package, an instrument aboard the space telescope Orbiting Astronomical Observatory 2 Wonder Egg Priority, a Japanese anime series Microsoft Entertainment...

that there were unpredicted delays. She continued to develop Orbiting Astronomical Observatory 2, launched in December 1968, which became the first successful...

The Orbiting Frog Otolith (OFO) was a NASA space program which sent two bullfrogs into orbit on November 9, 1970, for the study of weightlessness. The...

The Palomar Observatory is an astronomical research observatory in the Palomar Mountains of San Diego County, California, United States. It is owned and...

used to discover the Moons Triton (orbiting Neptune) and Hyperion (orbiting Saturn). It was donated to the observatory in the 1880s, but was taken down...

Farpoint Observatory is an astronomical observatory owned and operated by the Northeast Kansas Amateur Astronomers' League, or NEKAAL. It is located on...

Lowell Observatory is an astronomical observatory in Flagstaff, Arizona, United States. Lowell Observatory was established in 1894, placing it among the...

Lockheed L-1011 airliner used to launch the Pegasus rocket Orbiting Astronomical Observatory 2, nicknamed Stargazer, the first successful space telescope...

space used to observe astronomical objects. The first operational telescopes were the American Orbiting Astronomical Observatory, OAO-2 launched in 1968...

John Observatory (UCMJO), previously known as Mt John University Observatory (MJUO), is New Zealand's premier astronomical research observatory. It is...

La Silla Observatory is an astronomical observatory in Chile with three telescopes built and operated by the European Southern Observatory (ESO). Several...

program, Rubin Observatory will run its own experiment and provide data to the Rubin Observatory community in the form of images and astronomical catalogs....

This list of space telescopes (astronomical space observatories) is grouped by major frequency ranges: gamma ray, x-ray, ultraviolet, visible, infrared...

of Satellite Communications Programs CSC 1975 pp169–224 Orbiting Astronomical Observatories University of Chicago "GAMBIT 3 KH-8 Reconnaissance Satellite"...

Earth satellite in a 64-hour orbit, and its mission is ongoing as of 2025[update]. Chandra is one of the Great Observatories, along with the Hubble Space...

nicknamed Ammonite, is a trans-Neptunian object (TNO) orbiting the Sun on an extremely wide elliptical orbit. It was discovered by the Subaru Telescope atop...

first Orbiting Astronomical Observatory (OAO) mission. OAO-1's battery failed after three days, terminating the mission. It was followed by Orbiting Astronomical...