Astronomy Basics Quiz Review

All modern telescopes are 

• reflectors
• refractors
• long
• thin

A ______ telescope uses a mirror to focus light through the eyepiece.

• reflecting
• refracting
• radio
• spectrum

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

A ______ telescope uses a glass to focus light. 

• reflecting
• refracting
• radio
• spectrum

How many lenses are found in the simplest telescope?

• one 
• two
• three
• four

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 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.

What type of telescope is this?

• Refractor
• Reflector
• Non-Optical
• X- Ray

The motion of one body around another. (like the earth orbits the sun) 

• rotation
• seasons
• revolution
• equinox

A position in Earth's orbit where sunlight shines equally on the Northern and Southern hemisphere. When daylight and darkness are equal for most of the Earth.

• solstice
• daylight savings
• equator
• equinox