7. Suppose you are on a strange planet and observe, at night, that the stars do not rise and set, but circle parallel to the horizon. Next, you walk in a constant direction for 8000 miles, and at your new location on the planet, you find that all stars rise straight up in the east and set straight down in the west, perpendicular to the horizon. How could you determine the circumference of the planet without any further observations? What is the circumference, in miles, of the planet? [OER Chapter 2, Figuring for Yourself #43]
7. Suppose you are on a strange planet and observe, at night, that the stars do not rise and set, but circle parallel to the horizon. Next, you walk in a constant direction for 8000 miles, and at your new location on the planet, you find that all stars rise straight up in the east and set straight down in the west, perpendicular to the horizon. How could you determine the circumference of the planet without any further observations? What is the circumference, in miles, of the planet? [OER Chapter 2, Figuring for Yourself #43]
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![7. Suppose you are on a strange planet and observe, at night, that the stars do not rise and set, but circle parallel
to the horizon. Next, you walk in a constant direction for 8000 miles, and at your new location on the planet,
you find that all stars rise straight up in the east and set straight down in the west, perpendicular to the horizon.
How could you determine the circumference of the planet without any further observations? What is the
circumference, in miles, of the planet? [OER Chapter 2, Figuring for Yourself #43]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff0a4c22f-5caf-47f6-af93-389fa46abeca%2F0a2ba7d7-d081-4263-8571-d83f828433c6%2Fkto0yd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:7. Suppose you are on a strange planet and observe, at night, that the stars do not rise and set, but circle parallel
to the horizon. Next, you walk in a constant direction for 8000 miles, and at your new location on the planet,
you find that all stars rise straight up in the east and set straight down in the west, perpendicular to the horizon.
How could you determine the circumference of the planet without any further observations? What is the
circumference, in miles, of the planet? [OER Chapter 2, Figuring for Yourself #43]
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