Astronomical Tools and Telescopes

These flashcards cover key concepts related to astronomical tools, particularly the types and functions of telescopes.

A telescope is a device able to gather and concentrate __ into a focused beam for study.

photons 'light'.

The electromagnetic spectrum includes wavelengths from __ to gamma rays.

radio.

In a reflecting telescope, the distance between the primary mirror and focus is called the __.

focal length.

The point where incoming light rays converge in a reflecting telescope is called the __.

prime focus.

Refraction is the __ of light beams as they pass from one medium to another.

bending.

Chromatic aberration occurs because lenses focus __ light differently than blue.

red.

Mirrors in reflecting telescopes do not absorb __ or ultraviolet radiation.

infrared.

The largest lens used in a refracting telescope is approximately __ in diameter.

40 inches.

The primary mirror in a Newtonian focus telescope redirects light to a convenient __ location.

perpendicular.

Reflecting telescopes can be made very large, with diameters of up to __ feet.

30.