Telescopes

How many lenses are found in the simplest telescope?

• one 
• two
• three
• four

A telescope that can enlarge images from very far away has high.....

• Aperture
• Resolution 
• magnification
• Definition

Why is the Hubble telescope 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 

What does Reflecting Telescope have?

• Lens
• Mirrors
• Bat ears

What does Refracting Telescope have?

• Sand
• Mirrors
• Lens
• Batmobile 

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 the crest of one wave and the crest of the next wave.

Both reflecting and refracting 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.

Reflecting telescopes differ from refracting telescopes in having

• no eyepiece lens.
• two large objective lenses.
• a mirror instead of an objective lens.
• one large objective lens.

A ______ telescope uses a mirror to focus light onto a small area.

• reflecting
• refracting
• radio
• spectrum

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.