Stars and Telescopes

A refracting telescope uses _______ to focus light.

• Lenses

• Mirrors

• Lasers

• Water

Reflecting telescopes use _______ to focus light.

• Lenses

• Flat mirrors

• Curved Mirrors

• A lens and lasers

What type of telescope can work 24 hours a day and even be used in the rain?

• Refracting Telescope

• Radio Telescope

• Newtonian Telescope

• Solar Telescope

A telescope that uses lenses and mirrors to collect and focus visible light is called an...

• Refracting Telescope
• Reflecting Telescope
• Optical Telescope
• Radio Telescope

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 

Radio telescopes biggest advantage is that they:

• Can be used during the day
• Can be used in any type of weather
• Almost all radio waves make it to the surface
• All of these

What word best describes our sun?

• Average
• Supergiant
• Dwarf
• Red Giant

What color of star is the hottest?

• Blue
• Red
• Yellow
• Orange

What color of star is the coolest?

• Red
• Yellow
• Blue
• White

What is the name given to objects that are not yet a stable star?

• Dwarf

• Supergiant

• Protostars

• Nebulas