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Copyright © 2012 InteractiveScienceLessons.com
•Sun•8 planets•their 167 moons•Dwarf planets•Asteroids•Comets•Dust
What is a Solar System anyway?
Copyright © 2012 InteractiveScienceLessons.com
• average in size compared with other stars•at the center of our solar system• the largest body in our
solar system
The Sun is…
•a nuclear heat inferno
average, nuclear, center, largest
Copyright © 2012 InteractiveScienceLessons.com
• average in size compared with other stars
•at the center of our solar system
• the largest body in our solar system
The Sun is…
•a nuclear heat inferno
2 cm from sun4 cm from sun
7 cm away
Gravity- an invisiblethat decreases with
when the Moon
M
v
E
and smaller size.force between objects
distance
Tides-tugs on the Earth
of attraction
magnet demo, “gravity”arrows-m,vorbits-m,vpredictableearth/moon orbit“tides”