Phsc 121 exam - Study guides, Class notes & Summaries

PHSC 121 Liberty University Exam 3 Questions with All Correct Answers We have seasons because - 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 - 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 at the...

PHSC 121 Homeworks (1-4) 1st Exam Questions All Correctly Answered Astronomy is the study of ___________________. a. the Solar System b. galaxies c. the entire universe d. the planets of the Solar System - 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 - Answer -a. evaluate science opinio...

PHSC 121 Final Exam with Complete Solutions Graded A+ 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 Nept...

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...

PHSC 121 Hw 8 Exam Questions with Correct 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 holes 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 black ho...

PHSC 121 FINAL EXAM Questions And Correct Answers New 2024 Update Which ancient culture/country not only kept detailed astronomical records, but also seems to have recorded the story of creation and early man in its very language? - Answer -China Which of these reasons describes why astronomy has been practiced throughout history? - Answer -to understand major world events, to understand weather/climate What is the universe? - Answer -Everything physical that existed Given the size o...

PHSC 121 Test 3 Exam Questions All Solved We have seasons because? - 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? - Answer -the Sun is now crossing the equator into the northern hemisphere and the northern hemisphere begins to face toward the Sun. Which of the following is NOT true of the winter solstice? - Answer -the northern hemisphere receives the most direct sunlight of the year For so...

PHSC 121 Liberty University Exam 3 Questions With All Complete Answers We have seasons because - 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 - 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 at t...