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It's All Done with Mirrors (Astronomy Activity)

  • Daytime Event
  • Nighttime Event
  • Inside Venue
  • Outside Venue
  • Target Audience
  • Child, Teen, Adult
These simple demonstrations are a great way to illustrate the path of light as it reflects off of mirrors and how this is used in telescopes, especially if you have ever been asked why the Moon appears "flipped" or "upside down" in your eyepiece. All you need are a few sticks, some flexible foam, and a spoon. 

Check out the video below to see  this quick and simple demonstration in action. There is another discussion of how mirrors work in reflecting telescopes as part of the "How Do Telescopes Work?" video here.

Uploaded: October 2008

Video

Activity Video: Why Is it Upside Down?

Demonstration of the activity.

Activity Key

Daytime Event
Daytime Event
Nighttime Event
Nighttime Event
Inside Venue
Inside Venue
Outside Venue
Outside Venue
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Target Audience