Celestial sphere - Study guides, Class notes & Summaries

AST Test Prep 1A Review Latest Update Graded A Lunar Eclipse An event that occurs at full Moon, can be seen by about half of Earth at once. Synodic Period A celestial object's rotational/orbital period measured with respect to the Sun. Umbra The central & darkest portion of a shadow Waxing "growing." to increase in size Celestial Equator A projection of the Earth's equator to space Celestial Sphere A convenient though imaginary reference frame to measure celestial positions by. Opposi...

Cosmic Address - The galaxies we see through the Hubble Space Telescope Solar System - Sun, Planets and their moons, and anything else floating in space Galaxy - Great island of stars in space all held together by gravity and orbiting a common center Where is Earth's Solar System Located in the Milky Way? - A little over halfway between the galactic center and the edge of the galactic disk Local Group - A small cluster of galaxies Supercluster - Regions of the universe that is ti...

ASTRO 207 Midterm 1 Exam - Questions with Verified Answers The amount of time between successive passes of any given star across the meridian is: A) 365.25 days B) 12 years C) 23 hours, 56 minutes D) 26,000 years E) 24 hours When someone on Earth observes the Moon in the first-quarter phase, someone on the Moon facing Earth observes Earth in the: A) new Earth phase B) crescent Earth phase C) third-quarter Earth phase D) full Earth phase E) first-quarter Earth phase What is a circumpolar star? ...

Why do we see the Moon appear to go through phases as seen from Earth? A. The Moon reflects "Earthshine", so it depends on how much light from the Earth is hitting the Moon B. As the Moon rotates, it presents a different phase to us over the course of its "day". C. Depending on where the Moon is along its orbit, we see different amounts of its illuminated side D. The Earth's shadow blocks out part of the Moon from time to time - C. Depending on where the Moon is along its orbit, we see...

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...

In which direction does the Earth turn around on its axis of rotation? correct answers West to East In which direction do we preceptive the sky turning around us? correct answers East to West What is the Celestial Sphere? correct answers The celestial sphere is a representation of how the entire sky looks as seen from Earth. What are the two points that the celestial sphere seems to turn around? correct answers NCP and SCP How do we define the horizon for a person at any point on the...

What are constellations? How many are there? - A group of stars.88 What is the celestial sphere? - An imaginary sphere that maps all celestial objects. What is the celestial equator? - Earth's equator expanded onto the celestial sphere. What is an ecliptic? - A circle on the celestial sphere representing the sun's apparent path during the year. What are the North and South celestial poles? - Earth's north and south pole expanded onto the celestial sphere. What is the difference...

where are the 48 remaining constellations located? correct answers at the mid and northern celestial latitudes what is the most accurate description of modern constellations? correct answers they are 88 well defined regions on the celestial sphere what is the greek letter of the second brightest star in the constellation Lyra? correct answers beta Lyrae of these four stars which appears to be dimmest in the sky? a. -0.5 b.+2.8 c.-1.2 d.+0.7 e. it cannot be determined correct answer...

Q1.1: If every star in the universe was a grain ofsand, which of the following would be filled ~4meters deep in sand? A. This classroomB. Cal Poly campusC. SLO countryD. CaliforniaE. Continental US - SLO Q3.2: If you walk out of this building and face directly south, which direction is east? A. Slightly to the rightB. Slightly to the leftC. Directly rightD. Directly leftE. Behind you - D Q4.1: Imagine that from your current location you observe a star rising directly in the east.When this s...

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...