Flashcards on Astronomical Instruments

Click on the flashcard to see the answer


What is a telescope?

A device used to observe distant objects in space.

What is a spectroscope?

An instrument used to measure the properties of light.

What is a planisphere?

A circular star chart used to locate constellations in the night sky.

What is a celestial globe?

A 3D representation of the celestial sphere.

What is an astrolabe?

An ancient instrument used to determine the position of celestial objects.

What is a solar filter?

A filter used to safely observe the sun.

What is a binoculars?

A pair of handheld telescopes used for terrestrial and astronomical observations.

What is a spectrograph?

An instrument used to obtain and record spectra for analysis.

What is a star tracker?

A device used to track the motion of stars for long-exposure astrophotography.

What is a radio telescope?

A telescope that detects radio waves emitted by astronomical objects.

What is a sextant?

A navigational instrument used to measure the angle between celestial objects.

What is a spectrometer?

An instrument used to measure the intensity of light at different wavelengths.

What is an observatory?

A building or facility equipped for observing celestial events.

What is a heliostat?

A device used to track the movement of the Sun's reflection.

What is an equatorial mount?

A mount that allows a telescope to track objects in the sky using right ascension and declination.

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Test Your Knowledge


What instrument is used to observe distant objects in space?



Which instrument is used to measure the properties of light?



What is a circular star chart called?



What instrument was used to determine the position of celestial objects in ancient times?



Which filter is used to safely observe the sun?



What are handheld telescopes used for terrestrial and astronomical observations called?



What instrument is used to obtain and record spectra for analysis?



Which instrument is used to track the motion of stars for long-exposure astrophotography?



Which telescope detects radio waves emitted by astronomical objects?



What was used to measure the angle between celestial objects for navigation?




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