Telescopes

Front

What is a telescope?

Back

A telescope is an optical instrument that gathers and magnifies light to observe distant objects.

Front

What are the two main types of optical telescopes?

Back

Refractor and Reflector.

Front

What does a refracting telescope use to focus light?

Back

Lenses.

Front

What does a reflecting telescope use to focus light?

Back

Mirrors.

Front

What is the main advantage of using orbital observatories like the Hubble Space Telescope?

Back

They avoid the distortion and absorption of electromagnetic waves by the atmosphere.

Tags

NGSS.MS-PS4-2

Front

Who is credited with popularizing the telescope?

Back

Galileo.

Front

What is the primary function of a telescope?

Back

To collect and magnify light from distant objects.

Front

What type of telescope uses both lenses and mirrors?

Back

Catadioptric telescope.

Front

What is the purpose of the Hubble Space Telescope?

Back

To observe astronomical objects without atmospheric interference.

Front

What is the difference between optical and non-optical telescopes?

Back

Optical telescopes observe visible light, while non-optical telescopes observe other types of electromagnetic radiation, like X-rays.