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Suppose we discover a new stealth planet that orbits the Sun in the same plane and...

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Physics

  1. Suppose we discover a new stealth planet that orbits the Sun inthe same plane and the same direction as the known planets. Theplanet has a circular orbit, orbits twice as far from the Sun asEarth. The equator of this planet is perfectly aligned with itsorbital plane. Answer the following questions about the newplanets. Show your work for full credit.

    1. How long is a year on the new planet?

    2. Does the new planet have seasons?

    3. How quickly does it orbit (km/s)

  2. In 1 billion years, predict how the following quantities wouldbe different from their current values. Answers should bequalitative (e.g. shorter, longer, no change) but you must explainyour reasoning for full credit. [15 points]

    1. Earth-moon separation

    2. Length of the day

    3. Length of the month

    4. The height of ocean tides.

    5. Frequency of eclipses

Answer & Explanation Solved by verified expert
4.4 Ratings (696 Votes)
PART ABy keplers third law where T is the time period and is the semimajor axisit is given that the orbit of the new planet is twice as that ofearth that is if we are taking R as the radius of orbit semimajoraxis of earth then 2R is the semimajor axisof the new planetlet be    See Answer
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