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Suppose we lived on Pluto and not Earth. Pluto orbits the Sun at an average distance of roughly 39.5 AU, and (you could calculate this from Kepler’s 3rd Law) it takes more than 248 years to complete an orbit. (All of this information is relevant.) If we lived on Pluto, astronomers would be...

4) Astronauts in the Space Shuttle generally orbit just 200 km to 300 km above the Earth’s surface. This means that the distance between the orbiting Space Shuttle and the center of the Earth is only about 4% larger (more or less) than it is for people who live on Earth’s surface. a)...

This one is driving me nuts It’s very cold and dark when you crash land. You notice that the stars appear to move slowly clockwise around a location that is 40º above the horizon. Because of this apparent motion of the stars, your group chooses to declare that the crash site is in the...

This one is driving me nuts It’s very cold and dark when you crash land. You notice that the stars appear to move slowly clockwise around a location that is 40º above the horizon. Because of this apparent motion of the stars, your group chooses to declare that the crash site is in the...

The city of Mumbai (formerly Bombay) in India is located at a latitude of 19 degrees north of the equator. On how many days of the year, if any, will the Sun appear to reach the zenith in the sky as seen from Mumbai?