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Journey Through Orbital Mechanics

Crafted by Trivia Architect mcdubb

Fun Trivia : Quizzes : Mechanics : Journey Through Orbital Mechanics

Introduction:
"It’s time to follow the journey of Rocky the Rocket as he travels throughout the Solar System. Learn some Orbital Mechanics, and hang on tight!"


1. It’s launch day, and Rocky is sitting on Pad 39B at Cape Canaveral, FL. The latitude and longitude of the launch pad is 28.5°N, 80.5°W. Which of the following is true?
    The maximum inclination of his orbit is 28.5°
    The minimum inclination of his orbit is 28.5°
    The maximum inclination of his orbit is 80.5°
    The minimum inclination of his orbit is 80.5°


2. While in Low Earth Orbit, Rocky is experiencing zero gravity.
    True
    False


3. Rocky is now orbiting around the Earth. According to Kepler's First Law of Planetary Motion, the orbital path best resembles this shape.
    Circle
    Ellipse
    Parabola
    Hyperbola


4. Kepler's Second Law of Planetary Motion states "A line joining a planet and its star sweeps out equal areas during equal intervals of time." Using this information, if Rocky's orbit is not circular, which of the following is true?
    Rocky travels slower the closer he is to Earth
    Rocky travels faster the closer he is to Earth
    Rocky is travelling at a uniform speed
    Rocky travels faster the further he is from Earth


5. Rocky wants to go to a higher orbit. He performs a burn in his direction of motion increasing his apogee, then while at the orbital apogee, performs another burn to circularize his new orbit. What did Rocky just perform?
    Keplerian Transfer
    LaPlace Transform
    Hohmann Transfer
    Newtonian Transform


6. Rocky performed an orbital adjustment burn. The inclination of his new orbit is now 0°. It doesn’t seem like he’s moving around the Earth at all; when he looks down he just sees the same spot all the time. Which of the following is true?
    Rocky is in Geostationary Orbit
    All of these are true
    Rocky is orbiting around the Equator
    The orbital period is now 24 hours


7. Rocky has a mass of 10,000 kg. He is in the same orbit as a small piece of orbital debris, with a mass of 1g, and a 10kg asteroid. Which one takes longer to orbit the Earth?
    Rocky
    The asteroid
    The debris
    They take the same amount of time


8. In order to escape Earth's gravity, Rocky must launch with a velocity, or delta V, of 11.3 km/s. On his first launch, he launched into orbit with a delta V of 9 km/s, and the second time with a delta V of 10 km/s. After reaching orbit, which launch allowed Rocky to orbit the Earth in less time, or had a smaller period?
    The second time, launching at 10 km/s
    Rocky has never reached orbit, since the delta V was less than 11.3 km/s
    They both have the same period
    The first time, launching at 9 km/s


9. Rocky is travelling around the Moon and back to Earth using a gravitational slingshot. His trajectory is much like that of Apollo 13. Which can best describe a gravitational slingshot?
    Hyperbolic
    Circular
    Elliptical
    Parabolic


10. Rocky decides to venture out into space even further. He is now in a heliocentric orbit in a special place where the Earth and Sun always appear in the same relative locations. How many locations are there where he might be, and what are their names?
    5, Keplerian Points
    3, Lagrangian Points
    3, Keplerian Points
    5, Lagrangian Points


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