15 March 2012
10:27
· 1.36 understand that:
· the universe is a large collection of billions of galaxies
· a galaxy is a large collection of billions of stars
· our solar system is in the Milky Way galaxy
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Comparative sizes of planets and stars
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Comparative sizes of galaxies
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Powers of 10 - Cosmic Voyage
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All of the scales of Physics
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1.36 Space is big! Scale model of the solar system
12 May 2011
14:47
· Type the length of your classroom into cell B5 to get the solar system scaled to fit!
· Check out column U for information about the nearest star to our solar system!
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Online version
http://www.exploratorium.edu/ronh/solar_system/
1.36 Plenary Answers
15 March 2012
10:30
1. What is the solar system?
Everything that orbits our local star, the Sun
2. What is the Milky Way?
The galaxy that contains our solar system
3. What is a galaxy?
A huge collection of billions of stars
4. How many galaxies are there in the Universe?
Billions
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