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- 1. Multiple Choice
Who invented the telescope?GalileoPlatoPtolemyit's unknown - 2. Multiple ChoiceWhat was Galileo's contribution to the telescope?He invented itHe patented itHe discovered itHe promoted it
- 3. Multiple ChoiceThis instrument can be thought of as a large light bucketyour eyesa lensa telescopea satellite dish
- 4. Multiple ChoiceThe "collector", or "light-gathering part" of the telescope is called the _____objectiveoculareye piecerefractor
- 5. Multiple ChoiceIf the collector is made 10 times wider, how much more light is collected?2 times more10 times more20 times more100 times more
- 6. Multiple ChoiceWhen light passes through a lens, it _____reflectsis absorbedbounceschanges direction
- 7. Multiple ChoiceThe bending of light through a lens is called _____reflectionrefractiondiffractionabsorption
- 8. Multiple ChoiceWhen the light comes to a focus, using a refracting telescope, it is _____upside-down, and flipped left and rightonly flipped left and rightonly upside-downunchanged
- 9. Multiple ChoiceThe image, observed in a telescope, is _____bigger than the objectthe same size as the objectslightly smaller than the objectmuch smaller than the object
- 10. Multiple ChoiceThe ability to separate two objects that are very close together, is called the _____orientationattitudemagnificationresolution
- 11. Multiple ChoiceIn general the bigger the telescope's objective the better your _____resolutionmagnificationattitudeorientation
- 12. Multiple ChoiceTelescopes that use mirrors are called _____refractorsreflectorscatadioptricresolving
- 13. Multiple ChoiceWho was the first to develop reflecting telescopes?Nicolaus CopernicusIsaac NewtonGalileo GalileiTycho Brahe
- 14. Multiple ChoiceWhat do modern professional-grade optical telescopes use as their objective?lensesmirrorselectronic detectorsphotographic film
- 15. Multiple ChoiceAccording to Phil, "the problem with astronomers" is getting them to _____show you their telescopetalk about astronomystop talking about astronomyhost a star party
- 16. Multiple ChoiceWho discovered infrared light, a kind of light invisible to our eyes?Robert HookeIsaac NewtonGalileo GalileiWilliam Herschel
- 17. Multiple ChoiceWhat kind of detector is used for radio waves?a refracting telescopea metal disha reflecting telescopea digital camera
- 18. Multiple ChoiceOur eyes act like movie cameras, taking pictures at a frame rate of about _____1.4 images per second14 images per second140 images per second1,400 images per second
- 19. Multiple ChoicePhotographs allow us to see fainter objects by taking long _____wavelengthexposuresbody tubesframe rates
- 20. Multiple ChoiceWhich detectors are dozens of times more light-sensitive than film?your eyesdigital detectorscomputersmirrors
- Answer choicesTagsAnswer choicesTags