Watch out for asteroids
Take a look at the reading behind Sagan's Tunguska video
Death By Giant Meteor?
Apophis reality
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Galileo became a heliocentrist largely due to his observations about Jupiter's 4 biggest moons:
Io, Europa, Ganymede, and Callisto. Using his telescope, he observed
these moons and their patterns around the planet. He marked the motion
of the moons in terms of Jupiter Diameters as viewed through his
telescope.
Set up a Open Office Calc table with the names of the 4 moons at the top and the dates on the left side.
Gather data for at least 30 days using the Jupiter moon position applet a
Create a x-y scatter graph for each moon.
Hand in with you and your partners' names by the end of the period
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Diameter of the Moon
Set up a Open Office Calc table with the names of the 4 moons at the top and the dates on the left side.
Gather data for at least 30 days using the Jupiter moon position applet a
Create a x-y scatter graph for each moon.
Hand in with you and your partners' names by the end of the period
==========
Diameter of the Moon
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