Celestial sphere Study guides, Class notes & Summaries

Astronomy Exam 1 Questions With Explanations astronomical unit (AU) - ANS the average mean distance between the Earth and Sun speed of light - ANS 186,000 mi/sec light year - ANS 6,000,000,000,000 miles; the distance that lights travels in 1 year through a vacuum celestial sphere - ANS an imaginary sphere of large radius which the ancient's believed the whole heavens were plastered onto constellations - ANS in modern astronomy, 88 non-overlapping sky regions, cove...

Astronomy Exam 1 Questions And Answers What does the light stuff tell us about the Moon? - ANS The portions are rougher, higher-elevated, lighter, have more craters present, and cover more surface. What does the dark stuff tell us about the Moon? - ANS The portions are smoother, darker, have fewer craters, and cover less surface. Having more craters means what? - ANS Younger surface on dark stuff; had volcanism at one point. How do rice paddies, domestication of livestock, an...

1. Which of the following definitions best describes a constellation? a. a region of the sky containing a certain star pattern b. a group of very bright stars c. a group of very faint stars d. the dividing line between the north and south celestial hemispheres ANSWER: a 2. How many official constellations are there? a. 98 b. 88 c. 13 d. 55 ANSWER: b 3. Which of the following best describes the Big Dipper? a. an asterism b. a faint star near...

Chapter 0 Charting the Heavens: The Foundations of Astronomy 1) Right ascension in the sky is very similar to latitude on the Earth. Answer: FALSE Diff: 1 Section Ref.: 0.1 2) Latitude and right ascension are coordinate systems used to find objects on the celestial sphere. Answer: FALSE Diff: 1 Section Ref.: 0.1 3) The celestial sphere is divided into 88 modern constellations. Answer: TRUE Diff: 1 Section Ref.: 0.1 4) In the sky, declination is measured in degrees north or south of th...

ACT EXAM Questions With 100% Correct Answers Latest Updated 2024 (GRADED) acceleration - Answer Change in velocity divided by the time it takes for the change to occur acceleration due to gravity - Answer 9.8 meters per second squared accuracy - Answer A description of how close a measurement is to the true value of the quantity measured. acid - Answer A substance that increases the hydrogen ion concentration of a solution. analysis - Answer A detailed examination of the elements or struct...

Astronomy Exam 1 (Chapters 1-5) Questions With 100% Correct!! A line running from due north to due south through a point directly overhead is called a meridian Residents of the Southern Hemisphere cannot see the stars around the north celestial pole because Earth itself is in the way. A sky observer in the southern hemisphere would see stars moving which way? clockwise Is there any location on Earth where the entire sky is potentially visible within a 24 hour period (ignoring the fact t...

PHSC102 - Midterm study Guide Questions And All Correct Answers What are the Steps to the Scientific Method? - Answer -Step 1- make an observation, pose a question or problem Step 2 - make a hypothesis (an educated guess) Step 3 - experiment - hypothesis must be testable and reproducible Step 4 - Conclusion - Results The study of the Universe. - Answer -Astonomy Totality of all space, time, matter, and energy. - Answer -Universe Radius of Earth? - Answer -6378 Km Distance from ...

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 ...

Astronomy Exam 1 (Chapters 1-5) Questions With 100% Correct!! A line running from due north to due south through a point directly overhead is called a meridian Residents of the Southern Hemisphere cannot see the stars around the north celestial pole because Earth itself is in the way. A sky observer in the southern hemisphere would see stars moving which way? clockwise Is there any location on Earth where the entire sky is potentially visible within a 24 hour period (ignoring the fact t...

PHSC 121 hw 1 Test Questions with Correct Answers Why does the eccentric shape of Earth's orbit make winter in Earth's Northern Hemisphere different from winter in Earth's Southern Hemisphere? - Answer-In the Northern Hemisphere, winter coincides with the time when Earth reaches perihelion; in the Southern Hemisphere, winter coincides with the time when Earth reaches aphelion. What does the word apparent mean in apparent visual magnitude? - Answer-How bright the star appears to us, obs...