Answer the following questions1. Where on Earth is the Prime Meri.pdf
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The document poses questions about the location and rationale for the prime meridian, as well as the selection of a starting point on a sphere. It addresses the differences between sidereal and solar days, along with the Julian and Gregorian calendars. Additionally, it inquires about Earth's velocity relative to the sun, the center of the galaxy, and the cosmic microwave background.
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Answer the following questions1. Where on Earth is the Prime Meri.pdf
- 1. Answer the following questions: 1. Where on Earth is the Prime Meridian (and why was this particular place chosen? How do you choose the starting point on a sphere?) 2. What is the difference between a sidereal day and a solar day? How long is each? 3. What is the difference between the Julian and Gregorian calendars? 4. The apparent velocity of Earth through space changes according to the reference point being used. What is the velocity of Earth relative to: a. The Sun? b. The centre of the galaxy? c. The earliest detectable light (Cosmic Microwave Background)?