PHSC 121

PHSC 121 HW 2 Practice Study Guide Exam 2024. Tonight you see the Moon at midnight at its highest point in your sky. What is the phase of the Moon? - CORRECT ANSWER Full moon You are located in Knoxville, TN, United States. Your friend is located in Lima, Peru. You see a waning gibbous moon in your clear night sky. What phase, if any, will your friend see if the night sky in Lima is also clear? - CORRECT ANSWER waning gibbous Which has the larger angular diameter in the sky—the Sun ...

Astronomy Chap 5 (Liberty University) (PHSC 121) Review Practice Test 2024. What is the orbital speed at Earth's surface? Ignore atmospheric friction. (Note: Earth's average radius is , Earth's mass is , 6370 km, Earth's mass is 5.97x 10(24) kg, G= 6.67 x 10(-11) m(3)/ kg x s(2) - CORRECT ANSWER 7900 m/s When you ride a fast elevator upward, you feel slightly heavier as the trip begins and slightly lighter as the trip ends. How is this phenomenon related to the equivalence principle?...

PHSC 121 - Test 2 (2) Final Exam Study Guide 2024. What is the Synodic period? - CORRECT ANSWER Time it takes the moon to orbit though its phases. It last 29.5 days. What is the sidereal period? - CORRECT ANSWER Time it takes the moon to orbit the earth with respect to the stars. It last 27.3 days Synodal and sidereal period for the moon - CORRECT ANSWER The moons synodal day is longer than the sidereal day because the moon has to catch up to the earth motion around the sun. What i...

PHSC 121 Exam 3 (HW 8-10) Liberty University Correctly Answered Rated A+ 2024. The earth's axis of rotation is tilted 23.5 degrees relative to the ecliptic - CORRECT ANSWER We have seasons because (text p 32-33) the Sun is now crossing the equator into the northern hemisphere and the northern hemisphere begins to face toward the Sun. - CORRECT ANSWER Which of the following is true of the vernal equinox? Sun is now crossing the equator into the northern hemisphere and the northern he...

PHSC 121 Astronomy Exam 1 Definitions Correctly Answered 2024. Scientific method - CORRECT ANSWER 1. Observation 2. Hypothesis - an educated guess from observation to explain the phenomenon 3. Test the Hypothesis - many times! 4. Theory - developed from tested hypothesis 5. Natural Law - a theory tested over much time, many situations Constellation - CORRECT ANSWER pattern formed by the brighter stars in the sky (88 of them) Star - CORRECT ANSWER GREAT BIG BALL O GAS Planet - C...

PHSC-121 Astronomy Quiz 1 With Complete Solution 2024. Why is there astronomy? - CORRECT ANSWER People look for patterns in order to understand the world. scientific notation - CORRECT ANSWER a method of expressing a quantity as a number multiplied by 10 to the appropriate power What is the universe? - CORRECT ANSWER All that is Multiverse - CORRECT ANSWER The set of parallel universes that may exist, with our observable universe as only one part. Lagrange points - CORRECT ANSWE...

PHSC 121 Homework (1-4) 1st Exam Practice Questions With Correct Answers 2024. Astronomy is the study of ___________________. a. the Solar System b. galaxies c. the entire universe d. the planets of the Solar System - CORRECT ANSWER c. the entire universe Which of the following is not a step in the scientific method? a. evaluate science opinion b. refine hypothesis, develop theory c. evaluate data d. draw new conclusions from experimental data and observations - CORRECT ANSWE...

PHSC 121 Liberty University Exam 3 Correctly Answered 2024. We have seasons because - CORRECT ANSWER the earth's axis of rotation is tilted 23.5 degrees relative to the ecliptic Which of the following is true of the vernal equinox - CORRECT ANSWER the Sun is now crossing the equator into the northern hemisphere and the northern hemisphere begins to face toward the Sun For someone standing on the Tropic of Cancer, the sun will appear at the observer's zenith ___________ each year and...