Unit 2 Quiz Telescopes

What does Reflecting Telescope use as an Objective?

• Lens
• Mirrors
• Bat ears
• Prism

What does Refracting Telescope use as an Objective?

• Sand
• Mirrors
• Lens
• Prism

A device that combines 2 or more telescopes to be used together is called a(n)...

• Observatory

• Interferometer

• Optical Telescope
• Radio Telescope

Why are some telescopes located in space?

• So it can be closer to the stars it magnifies
• They have very large optical lenses
• So its images arent distorted by Earth's atmosphere

• So it can be operated by astronauts 

Why do we need to observe Ultraviolet radiation from space?

• The ozone blocks most of the UV rays in the surface.
• It’s hard to know exactly where the ozone hole will be to find UV images
• It’s hard to use UV telescopes and radio telescopes together on the surface.
• It’s hard to use UV X-Ray telescopes and radio telescopes together on the surface

What is the MAJOR problem with trying to see stars in or near a city?

• Not as many people with telescopes
• Light pollution
• Clouds
• The stars are too far away.

Which light waves have the longest wavelength?

• red light

• radio waves

• ultraviolet light

• gamma rays

Tags

NGSS.HS-PS4-1

What are some of the characteristics of a good location for a telescope? (pick all that apply)

• Calm air

• Clear skies (few clouds for most of the year)

• Dark skies (far from cities)

• Dry

A spectrograph (spectroscope) breaks the light from an object into a _______, or range of different colors, and produces an image of it.

• spectrum
• spectragraph
• visible light
• prism

Spectrascopes use bands of color to identify:  (a)  

• Mass of star
• The elements in the star
• The weight of the star
• The sounds the star makes

Tags

NGSS.MS-PS1-1