Telescopes

The electromagnetic spectrum consists of

• all of the colors of light you can see with your eyes.

• all of the different types of electromagnetic waves.

• a band of colors formed when white light passes through a prism.

• the distance between two waves.

All optical telescopes are designed to

• break visible light into colors of the spectrum.

• separate visible light from ultraviolet and radio waves.

• gather and focus visible light.

• work better with short-wavelength radiation.

How are reflecting telescopes different than refracting telescopes?

• Reflecting telescopes collect radio waves.

• Reflecting telescopes only have one opening.

• Reflecting telescopes use a mirror instead of a lens.

• Reflecting telescopes use a convex lens.

Why are many large optical telescopes located on mountains?

• to be closer to the stars
• to be above part of the atmosphere
• because it is easier to build telescopes on mountains
• to be closer to city lights

Radio waves carry ______ energy than waves of visible light.

• more

• less

• the same amount of

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Which space telescope collects infrared light waves?

• Sptizer

• Hubble

• James Webb

• only Earth-based telescopes collect infrared light

A ______ telescope uses a convex glass lens to focus light.

• reflecting

• refracting

• radio

• spectrum

The type of light humans can see is called ___________ light.

• electromagnetic
• red
• white
• visible

A device that detects radio waves from objects in space is called a(n)

• radio telescope.
• reflecting telescope.
• refracting telescope.
• electromagnetic telescope.

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The ______________________ telescope collects visible light from objects in space.

• Hubble

• Spitzer

• James Webb

• Only Earth-based telescopes collect visible light.

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