Phsc 121 exam - Study guides, Class notes & Summaries

PHSC 121 B06 LUO EXAM QUESTIONS WITH ANSWERS How can you determine the relative ages of the Moon's maria and highlands? - Answer-Maria are younger than highlands, because fewer craters are observed on mare surfaces. Why is it not surprising that there is no evidence of plate tectonics on Mercury's surface? - Answer-The crust of Mercury is thick and heat flowing outward is unable to drive plate tectonics. What evidence can you give that Mercury had volcanism? - Answer-Lava flows within...

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 Hw 8 Exam Questions With All Complete Answers A black hole is - Answer -b. a region in space where mass produces a gravity field so intense that neither matter nor light itself can escape Black hols are thought to be caused by - Answer -a. collapsing stars b. concentrated mass at the center of galaxies Black holes are theorized to be - Answer -b. at the center of galaxies c. at the center of quasars A quasar is - Answer -c. a large remote energy source which may contain a ...

PHSC 121 Final Exam Questions And Answers 4 points of the scientific method - Answer -observation, testing, assumption, hypothesis Our solar system consists of ______ and has ___ major planets - Answer -the Sun and all the objects that orbit the Sun / 8 Why isn't Pluto considered a planet? - Answer -It does not dominate its orbit Light from the Sun takes ___ to reach Earth - Answer -8 minutess The Kuiper Belt is located __________________ - Answer -beyond the orbit of Neptune ...

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 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 ...

PHSC 121-B06 LUO Final Exam Prediction Questions With Correct Answers 2024. How can you determine the relative ages of the Moon's maria and highlands? - CORRECT ANSWER Maria are younger than highlands, because fewer craters are observed on mare surfaces. Why is it not surprising that there is no evidence of plate tectonics on Mercury's surface? - CORRECT ANSWER The crust of Mercury is thick and heat flowing outward is unable to drive plate tectonics. What evidence can you give that ...

Astro Midterm Prep Exam Questions & Answers 2024. According to Aristotle, if earth and water were displaced then they would return naturally to their proper place. Today, what do we call this Aristotelian natural motion? - CORRECT ANSWER Today, natural motion of Aristotle's time is known as the motion produced by the force of gravity Today, what do we call the Aristotelian violent motion? - CORRECT ANSWER Today, the violent motion of Aristotle's time is known as the motion produced whe...

Why are most of the constellations that were invented in modern times composed of faint stars or located in the southern sky? Faint stars or stars in the southern sky were not visible to early astronomers observing from northern latitudes How does the Greek letter designation of a star give you clues both to its location and its apparent brightness? The brightest star in a constellation is usually designated as Alpha, the second brightest as Beta, and so on. The star's approximate lo...

PHSC 121 Liberty University Exam 3 | update|COMPLETE MOST TESTED QUESTIONS AND VERIFIED ANSWERS (100% Correct solutions)| GET IT RIGHT!! | ALREADY GRADED A+