Q 20 what is the approximate diameter of the earth a

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Q 20. What is the approximate diameter of the Earth? a. 1 AU b. 13,000 light-years *c. 13,000 kilometres d. 1,000,000 kilometres
Q 21. Which of the following is no longer considered a major planet?
GOOD LUCK!! Wilfrid Laurier University AS 101 Assignment # 2 Instructor: Dr. Ioannis Haranas Chapter 2: The Sky Q: 1 Which of the following definitions best describes a constellation?
Q:2 Which of the following best describes the Big Dipper?
Q:3 . What do stars in the same constellation have in common?
a. They probably formed at the same time. b. They must be part of the same cluster of stars in space. c. They must have been discovered at about the same time. *d. They are in the same part of the sky as seen from the Earth.
Q: 4 What languages do the standard constellation names come from?
Q:5 Table 2-1 Star Name Apparent Visual Magnitude δ Dra 3.07 α Cet 2.53 Nim 8.07 α CMa −1.46 Refer to Table 2-1. Which star in the table would appear brightest to an observer on Earth?
Q:6 What causes the precession of the Earth’s rotation axis?
Q:6 A star is on the north point of the horizon. Where will the star be in 6 and 12 hours later. D B NCP Horizon A Horizon N STAR C a) D *b) C c) A d) B
Q:7 The Earth revolves in a counter clockwise direction around the sun at about 1 deg/day (360 deg and 365 days). Then this motion makes the sun to appear moving:
Q:8 Which of the following diagrams represent the area of the sky where an ancient Greek astronomer could observe the planets? (Ancient Greeks knew the 5 planets, in fact the word planet comes from the Greek word “planetes” = wanderer.) c)
Q:9) A person in Nashville , TN observes Venus in the western part of the horizon. Six hours later Venus

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