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ASTRONOMY 5 THIRD HOUR SESSION “A” |
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VIDEO:
“Cosmic Voyage” |
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1. Most early thinkers assumed the Earth was
the center of an _?_ universe.
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2. With an acrobat’s ring as a unit step of
measure (1 meter), how many powers of ten best represents the farthest reaches
of human travel?
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3. About how many powers of ten represents the outer limits of the visible Universe? [Hint: You may want to count the power-of-ten circles in the video.]
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4. The tiniest bits of nuclear matter are
called _?_.
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5. Current theory suggests that the all of the
matter in the Universe may once have been crammed into a volume about the size
of a (grain of sand, ping pong ball, soccer ball).
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6. About how many
years after the Big Bang did galaxies form out of the “cosmic webbing” of the
early Universe?
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7. What cosmic event
is thought to be responsible for the creation of elements important to the
formation of life?
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8. What molecule in the Earth’s atmosphere
blocks most of the Sun’s dangerous-to-life ultraviolet (UV) radiation?
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9. Some black holes may be the collapsed cores
of _?_.
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10. Scientists estimate that there may be how many
Earth-like planets in our galaxy alone?
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11. The deeper astronomers look into space, the
farther back they see in _?_.
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12. The author of the very last quote in the video
is most noted for what historical event?
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Answer the following questions about
scales (the objects in the blan
13. If one edge of cube A is _____ times longer than one edge of cube B, and one
edge of cube B is ______ times longer
than cube C (exhibited on front des
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14. What is the ratio of diameters between the
planets ___________ and ___________? Suppose the marble you were given in
clas
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15. Estimate how many people set end-to-end would
reach from the Earth to _____________ ? Do we have enough people in ___________ to do this?
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