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Astronomy

Science whose aim is the observation and knowledge of celestial bodies: position, movement, structure, evolution and so forth.
astronomical observation

ASTRONOMICAL OBSERVATION

Observation of phenomena occurring in the celestial sphere.

planetarium

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

celestial coordinate system

Imaginary horizontal and vertical lines used to describe the position of an object on the celestial sphere.

refracting telescope

refracting telescope

Optical instrument that uses an objective lens to observe celestial bodies.

reflecting telescope

reflecting telescope

Optical instrument that uses an objective mirror to observe celestial bodies.

radio 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]

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]

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

astronomical observatory

Building specially designed to house a large telescope.