ast 111 Questions and Correct Verified Answers Highly Recommended Version For Already A Graded|New and Revised!!!
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Course
AST 111
Institution
AST 111
One astronomical unit, or one AU is defined as the
mean distance between the Sun and Earth.
The greatest inaccuracy in Copernicus's theory of the solar system was that he
assumed that the planets move in elliptical orbits with constant speeds rather than
variable speeds
The major contributi...
ast 111 Questions and Correct Verified
Answers Highly Recommended Version
For 2024-2025 Already A Graded|New
and Revised!!!
One astronomical unit, or one AU is defined as the
✓ mean distance between the Sun and Earth.
The greatest inaccuracy in Copernicus's theory of the solar system was that he
✓ assumed that the planets move in elliptical orbits with constant speeds rather than
variable speeds
The major contribution of Johannes Kepler to the development of modern astronomy was
to
✓ prove that planetary orbits are ellipses
To which point in a planetary orbit does the word "perihelion" refer?
✓ the point farthest from the sun
The eccentricity of Venus's orbit is = 0.007, while the eccentricity of Mars's orbit is e = 0.093
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, Top Mark Questions and Correct Verified Answers
✓ there fore Venus is closer to being circular than the orbit of Mars
two of keplers laws mean what about the earth
✓ that the earth moves at different speeds
A person orbiting Earth in the Space Shuttle feels weightless because
✓ two forces are acting on her in opposite directions, so they cancel and produce the
same effect as if no force at all were acting.
the highest of tides happens when?
✓ full or new moon, at times when Moon and Sun are closest to Earth.
The water on the side of Earth that faces away from the Moon experiences
✓ a high tide because the Moon in effect pulls the solid Earth out from under the water
on the far side.
The same side of the Moon always faces Earth. This implies that
✓ the Moon rotates at the same rate that Earth does.
The Sun exerts a gravitational pull on Earth. Why doesn't Earth fall into the Sun?
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