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Galileo overcame major objections to Copernican view. Three key
objections rooted in Aristotelian view were:
Choose matching term
Earth could not be moving because
1 2 Non-circular orbits are not "perfect"
objects in air would be lep behind. as heavens should be.
If Earth were really orbiting Sun, we'd
detect stellar parallax, our view of
3
nearby stars would change as we
move around.
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, Terms in this set (110)
A star is a large luminous ball of gas that
What is a star?
generates heat and light through nuclear fusion.
A planet is a moderately large object that orbits
a star. It shines by reflected light.
What is a planet?
Planets may be icy or rocky
A moon (or satellite) is an object that orbits the
What is a moon?
planet.
An asteroid is a small and ROCKY object that
What is an asteroid?
orbits a star.
What is a comet? A comet is small and ICY object that orbits a star.
The solar system is a star and all of the
material that orbits it; including it planets,
What is the SOLAR moons and asteroids.
SYSTEM?
Our Solar System is the Sun, Earth, Mars...
A nebula is an in stellar cloud of gas and or dust
What is a nebula?
and it is indicative of star birth or star death.
A galaxy is a great is a great island of stars
in space, all held together by gravity
orbiting the common center.
What is a galaxy?
An example: The Milky Way
What is a Local A local supercluster is groups of galaxies that are
Supercluster? typically clustered
The universe is the sum total of all matter and
What is the definition of a energy that is everything within and between
Universe? all galaxies.
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