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ASTRONOMY
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ASTRONOMICAL OBSERVATION
Astronomy
Science whose aim is the observation and knowledge of celestial bodies: position, movement, structure, evolution and so forth.
ASTRONOMICAL OBSERVATION
Observation of phenomena occurring in the celestial sphere.
planetarium
Structure where a projector is used to simulate the movement of the celestial bodies on a dome representing half of the celestial sphere.
celestial coordinate system
Imaginary horizontal and vertical lines used to describe the position of an object on the celestial sphere.
refracting telescope
Optical instrument that uses an objective lens to observe celestial bodies.
refracting telescope
cross section of a refracting telescope
reflecting telescope
Optical instrument that uses an objective mirror to observe celestial bodies.
reflecting telescope
cross section of a reflecting telescope
radio telescope
Instrument used to capture, concentrate and analyze radio waves emanating from a celestial body or a region of the celestial sphere.
Hubble space telescope [1]
Telescope placed in orbit above Earth’s atmosphere (370 mi), making it possible to observe the universe as never before.
Hubble space telescope [2]
Telescope placed in orbit above Earth’s atmosphere (370 mi), making it possible to observe the universe as never before.
astronomical observatory
Building specially designed to house a large telescope.
observatory
cross section of an astronomical observatory
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