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Corre question 27 correct 100 points out of 100

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Question27Correct1.00 points out of 1.00Consider a comet in a long, thin elliptical orbit with a semi-major axis of 1 AU. What can you say about the orbital period of this comet?Select one:A.It will be one year.CorreB.It will be less than one year.C.It is not possible to determine the comet's sidereal period without knowing the eccentricity of its orbit.D.It will be more than one year.
Question28Correct1.00 points out of 1.00In which order (from earliest to latest) did the following people make their major contributions to astronomy?
Question29CorrectSelect one:1.00 points out of 1.00A person orbiting the Earth in the Space Shuttle feels weightless becauseSelect one:Corre
Question31Correct1.00 points out of 1.00What path would a planet (like the Earth!) take if the force of gravity from the Sun were to be suddenly removed?Select one:A.The planet would move in a straight line outward, directly away from the Sun's position.B.The planet would begin to move in a long ellipse with the Sun at one focus.
Question32Correct1.00 points out of 1.00
B.2.5 times greaterC.10 times greaterD.6.25 times greaterCorre
CorreC.her mass is zero in space, and weight requires mass.D.no forces act on her.Question30Correct1.00 points out of 1.00The largest telescope at Kitt Peak National Observatory is the Mayall 4-meter Telescope. The two Keck telescopes in Hawaii each have adiameter of 10 meters. How much greater is the light-gathering power of one Keck telescope than that of the Mayall telescope?Select one:

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Term
Spring
Professor
KALER
Tags
Planet, Kepler s laws of planetary motion

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