Astronomy
Astronomy 1 Name _________________________
Exam 1 (chap 1-5)
I. Multiple Choice. Select all correct answers.
1. Which of the planets known to the ancient astronomers can never be seen high overhead at night? a) Mercury b) Venus c) Mars d)Saturn e) Jupiter 2. On the first day of spring, the Sun sets a) north of west b) directly west c) south of west d) can't answer, it depends where you are on Earth. 3. One-hundred arcminutes is a) exactly 1 degree b) about 0.5 degree c) more than 1 degree d) less than one degree e) none of the above. 4. The distance the earth is from the sun is a) 1 AU b) 93,000,000 AU c) 149,600,000 AU d) 1 light-year e) none of the above 5. If the plane of the Earth's equator were not tilted with respect to the ecliptic plane, a) there would be no seasons on Earth b) the amount of daylight would be the same everyday c) the Earth's polar icecaps would have never formed d) none of the above 6. According to the heliocentric model, the reason the planets always appear to be near the ecliptic is that a) the ecliptic is only 23.5 degrees from the celestial equator b) the planets revolve around the sun in nearly the same plane c) compared to the stars, the planets are near the sun d) the planets come much nearer to us than does the sun e) none of the above 7. If the Earth were in an orbit closer to the Sun, the a) the day would be longer b) the day would be shorter c) the year would be longer d) the year would be shorter 8. Using his newly invented telescope, Galileo discovered a) moons of Jupiter b) phases of Mercury c) sunspots d) mountains on the Moon e) stellar parallax 9. If the same net force is applied to two different masses, one with a mass of 2 kg and the other with a mass of 3 kg, a) the 2-kg
Exam 1 (chap 1-5)
I. Multiple Choice. Select all correct answers.
1. Which of the planets known to the ancient astronomers can never be seen high overhead at night? a) Mercury b) Venus c) Mars d)Saturn e) Jupiter 2. On the first day of spring, the Sun sets a) north of west b) directly west c) south of west d) can't answer, it depends where you are on Earth. 3. One-hundred arcminutes is a) exactly 1 degree b) about 0.5 degree c) more than 1 degree d) less than one degree e) none of the above. 4. The distance the earth is from the sun is a) 1 AU b) 93,000,000 AU c) 149,600,000 AU d) 1 light-year e) none of the above 5. If the plane of the Earth's equator were not tilted with respect to the ecliptic plane, a) there would be no seasons on Earth b) the amount of daylight would be the same everyday c) the Earth's polar icecaps would have never formed d) none of the above 6. According to the heliocentric model, the reason the planets always appear to be near the ecliptic is that a) the ecliptic is only 23.5 degrees from the celestial equator b) the planets revolve around the sun in nearly the same plane c) compared to the stars, the planets are near the sun d) the planets come much nearer to us than does the sun e) none of the above 7. If the Earth were in an orbit closer to the Sun, the a) the day would be longer b) the day would be shorter c) the year would be longer d) the year would be shorter 8. Using his newly invented telescope, Galileo discovered a) moons of Jupiter b) phases of Mercury c) sunspots d) mountains on the Moon e) stellar parallax 9. If the same net force is applied to two different masses, one with a mass of 2 kg and the other with a mass of 3 kg, a) the 2-kg