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Artist's conception of OAO-1 in orbitTechnicians in a clean room check out the OAO 2 before the mission’s Dec. 7, 1968, launch.OAO-3 in the clean room
The Orbiting Astronomical Observatory (OAO) satellites were a series of four American space observatories launched by NASA between 1966 and 1972, managed by NASA Chief of Astronomy Nancy Grace Roman. These observatories, including the first successful space telescope, provided the first high-quality observations of many objects in ultraviolet light. Although two OAO missions were failures, the success of the other two increased awareness within the astronomical community of the benefits of space-based observations, and led to the instigation of the Hubble Space Telescope.
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The OrbitingAstronomicalObservatory (OAO) satellites were a series of four American space observatories launched by NASA between 1966 and 1972, managed...
The OrbitingAstronomicalObservatory 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 OrbitingAstronomicalObservatory, OAO-2 launched in 1968, and the Soviet Orion 1 ultraviolet...
nationalists understand it, he was neither." The third in NASA's OrbitingAstronomicalObservatory series of missions, launched on 21 August 1972, was named...
NASA's series of Great Observatories satellites are four large, powerful space-based astronomical telescopes launched between 1990 and 2003. They were...
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...
This is a partial list of astronomicalobservatories ordered by name, along with initial dates of operation (where an accurate date is available) and location...
The Lick Observatory is an astronomicalobservatory owned and operated by the University of California. It is on the summit of Mount Hamilton, in the Diablo...
disciplines for which observatories have been constructed. Historically, observatories were as simple as containing an astronomical sextant (for measuring...
This is a list of observatory codes (IAU codes or MPC codes) published by the Minor Planet Center. For a detailed description, see observations of small...
Gaocheng AstronomicalObservatory, also known as the Dengfeng Observatory, is an observatory in Duke of Zhou's shrine, Gaocheng Town, near Dengfeng in...
This list of space telescopes (astronomical space observatories) is grouped by major frequency ranges: gamma ray, x-ray, ultraviolet, visible, infrared...
space used to observe astronomical objects. The first operational telescopes were the American OrbitingAstronomicalObservatory, OAO-2 launched in 1968...
OAO, a three-letter acronym, may stand for: OrbitingAstronomicalObservatory, the name of four NASA scientific satellites Open joint-stock company (Russian:...
name as Uranus had, Lowell Observatory proposed the name to the American Astronomical Society and the Royal Astronomical Society; both approved it unanimously...
first OrbitingAstronomicalObservatory (OAO) mission. OAO-1's battery failed after three days, terminating the mission. It was followed by Orbiting Astronomical...
massive artifacts that may have had some astronomical purpose. In addition to their ceremonial uses, these observatories could be employed to determine the...
greatly expand their understanding of astronomy and astronomical objects. Larger telescopes and observatories began to be built and scientists began to print...
Paris Observatory; and the Minor Planet Center, Cambridge, Massachusetts. It is considered a worldwide resource for fundamental astronomical data, often...
question marks, boxes, or other symbols. Astronomical symbols are abstract pictorial symbols used to represent astronomical objects, theoretical constructs and...
Experiment Package, an instrument aboard the space telescope OrbitingAstronomicalObservatory 2 Wonder Egg Priority, a Japanese anime series Microsoft Entertainment...
that there were unpredicted delays. She continued to develop OrbitingAstronomicalObservatory 2, launched in December 1968, which became the first successful...
South African AstronomicalObservatory (SAAO) is the national centre for optical and infrared astronomy in South Africa. It was established in 1972. The...
remains the country's leading authority for astronomical and timing data for all purposes. The observatory is located in Northwest Washington, D.C. at...
OSO 3 (Orbiting Solar Observatory 3), or Third Orbiting Solar Observatory (known as OSO E2 before launch) was launched on March 8, 1967, into a nearly...
Multiple planets orbiting the same host star can cause transit-timing variations (TTV). TTV is caused by the gravitational forces of all orbiting bodies acting...
a book with tables that gives the trajectory of naturally occurring astronomical objects as well as artificial satellites in the sky, i.e., the position...
NASA Orbital Debris Observatory (NODO) was an astronomicalobservatory located in the Lincoln National Forest near Cloudcroft, New Mexico approximately...
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