Angle of elevation of the Sun

The diameter of the Sun is 1.4  106 km, and the distance between the sun and the Epsilon Eridani star is 10.47 ly. Calculate how many Suns it would take, laid side by side, to reach the Epsilon Eridani star. Use scientific notation.

At what distance is an object if its parallax, as measured from either end of a 1000-km baseline, is (a) 1°; (b) 1; (c) 1(5 mars)?

On November 1 at 11:00 P.M., you look toward the eastern horizon and see the bright star Mintaka rising. At approximately what time will Mintaka rise one week later, on November 8? Explain your answer.

The photograph of the Earth shown below was taken by the crew of the Apollo 8 spacecraft as they orbited the Moon in 1968. A portion of the lunar surface is visible at the right-hand side of the photo. In this photo, the Earth is oriented with its North Pole approximately at the top. When this photo was taken, what was the phase of the Moon as seen from Earth? how would it be explained In a diagram

What is the maximum possible angle of elevation of the Sun above the horizon at the North Pole? Explain your answer.

A key concept is that astronomy has influence outside the field of science. Astronomy actually plays a much larger role in our lives than many people think. We use words like month and disaster (literally “disaster,” or “against the stars”), or refer to the days of the week (which are named after the Sun, Moon, and the five easily visible planets), without consciously making the connection to the Moon, the star, or the planets. Let me give you an example: Cars – Ford Taurus, Chevy Nova, Subaru, Mercury. Please mention at least a few words

 

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