- Study guides, Class notes & Summaries

If star Alpha Centauri moved to 10 miles faster than it is now, the parallax angle would? correct answers get smaller What do you need to measure in order to determine a stars luminosity? correct answers Apparent brightness and distance Which of these stars clusters is oldest? correct answers A cluster whose brightest main sequence stars are yellow What two factors of info do you need for characteristics of stars? correct answers Its mass and it's stage of life Star A and B are iden...

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9 pages

Written in 2023/2024

Grade A+

SirAnton

Which of the following statements correctly state general principles of motion? (Assume that the moving object's mass is not changing.) correct answers -An object that is accelerating is also undergoing a change in momentum. -Accelerated motion includes any motion involving a change in speed, change in direction, or both. -An object that is accelerating is also being acted upon by a (nonzero) net force. A car is accelerating when it is correct answers going around a circular track at a ste...

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11 pages

Written in 2023/2024

Grade A+

SirAnton

Asu Ast 111 Bundled Exams Questions With Correct Answers Latest Update 2025/2026

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2 items

joshuawesonga22

(ASU) AST 111 Exam 3 Questions with Correct Answers Latest Update 2025/2026 Io experiences tidal heating primarily because __________. - Answers Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. As you learned in Part A, Io's elliptical orbit is necessary to its tidal heating. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. This orbital resonance causes Io to have a more elliptical orbit than it would oth...

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9 pages

Written in 2025/2026

Grade A+

joshuawesonga22

ASU AST 111 EXAM 2 QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2025/2026 frequency - Answers The number of times a given event occurs in a given time; for a wave, the number of cycles that pass the observer in 1 second. Wavelength - Answers Horizontal distance between the crests or between the troughs of two adjacent waves Photon - Answers quantum of electromagnetic energy; carries an amount of energy that depends inversely on its wavelength Electromagnetic Radiation - Answers changing elec...

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8 pages

Written in 2025/2026

Grade A+

joshuawesonga22

AST 111 FALL ASU EXAM 1 QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2025/2026 FIELD OF VIEW - Answers The area visible in an image. Usually given as the diameter of the region. HOW LARGE IS THE FIELD OF VIEW? - Answers 1 mile wide or 1.6 km wide WHAT TYPE OF SYSTEM DO ALL SCIENTISTS USE TO MEASURE SIZES? - Answers The metric system. What is the SI unit of force? - Answers The newton named after Isaac newton What is the SI unit of energy? - Answers Joule (J) How is density expressed in Si ...

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8 pages

Written in 2025/2026

Grade A+

joshuawesonga22

Get fully prepared for your Astronomy 111 final with this targeted 2026 study guide. It features key exam topics, essential definitions, 90+ practice questions with verified answers, and clear explanations covering the Milky Way, planetary motion, Kepler’s Laws, telescopes, exoplanets, and cosmology.

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13 pages

Written in 2025/2026

Grade A+

Paulacademia1

AST 111 Exam 1 Questions and Answers Latest Update How many miles are between the Earth and the Sun? - Answers 93 million How big is a light year? - Answers 9.3x10¹² km/s How many miles are in a light year? - Answers 6 trillion miles/1 light year How many recognized constellations are there? - Answers 88 True or False: Every star is a part of a constellation - Answers True What is a constellation? - Answers A shape in the night sky How long is written human history? - Answers 6,000 yea...

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5 pages

Written in 2025/2026

Grade A+

TutorJosh

Ast 111 Exam 1 Questions 2025/26 With Complete Solutions.

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9 pages

Written in 2025/2026

Grade A+

EvaTee

AST 111 Chapter 9 questions with verified answers

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5 pages

Written in 2024/2025

Grade A+

BravelRadon

What is the outermost layer of the Sun? corona What is the second outermost layer of the Sun? chromosphere What is the third outermost layer of the Sun? photosphere Which layer of the atmosphere has the highest density? photosphere Which layer of the atmosphere has the second highest density? chromosphere Which layer of the atmosphere has the third highest density? Top Mark Questions and Correct Verified Answers Top Mark !!! 2 2 corona Which layer of the Sun has the highest ...

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14 pages

Written in 2024/2025

Grade A+

UniTests

Astronomy scientific study of planets, stars, galaxies, and the universe as a whole Sun star at the center of the Solar System Solar System gravitationally bound system made up of the Sun, planets, dwarf planets, moons, asteroids, comets, and Kuiper Belt objects, along with their associated gas and dust. Milky Way Galaxy galaxy where the Sun and Solar System reside. Local Group Top Mark Questions and Correct Verified Answers Top Mark !!! 2 2 group of galaxies that includes the...

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21 pages

Written in 2024/2025

Grade A+

UniTests

Which of the following statements correctly state general principles of motion? (Assume that the moving object's mass is not changing.) -An object that is accelerating is also undergoing a change in momentum. -Accelerated motion includes any motion involving a change in speed, change in direction, or both. -An object that is accelerating is also being acted upon by a (nonzero) net force. A car is accelerating when it is going around a circular track at a steady 100 miles per hour...

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27 pages

Written in 2024/2025

Grade A+

UniTests

One astronomical unit, or one AU is defined as the mean distance between the Sun and Earth. The greatest inaccuracy in Copernicus's theory of the solar system was that he assumed that the planets move in elliptical orbits with constant speeds rather than variable speeds The major contribution of Johannes Kepler to the development of modern astronomy was to prove that planetary orbits are ellipses To which point in a planetary orbit does the word "perihelion" refer? the po...

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11 pages

Written in 2024/2025

Grade A+

UniTests

parallax angle (p) the precise amount of the star's annual shift due to parallax; more distant stars have smaller parallax angles; measured in arcseconds. apparent magnitude (m) How stars APPEAR (brightness) too look in the sky. A larger apparent magnitude means a dimmer apparent brightness. absolute magnitude (M) the appearent magnitude that a star would have if it were viewed from a distance of 10 parsecs from the earth how do we measure stellar temperatures? we determine t...

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19 pages

Written in 2024/2025

Grade A+

UniTests

What is the distance between the Sun and the Earth 150 Million KM 150 Billion Meters 93 million miles What is 1 AU (Astronomical Unit) Distance between the earth and the sun What is the speed of light 300,000 km/s What is a Light Year The distance light can travel in one year How far can light travel in one year Top Mark Questions and Correct Verified Answers Top Mark !!! 2 2 10 trillion km or 6 trillion miles What is the formula to find velocity Velocity = distance/time ...

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11 pages

Written in 2024/2025

Grade A+

UniTests

In which direction does the Earth turn around its axis of rotation? west to east (left to right) In which direction do we perceive the sky turning around us? east to west (right to left) What is the Celestial Sphere? an old concept that says the earth is stationary and the sky is moving around it What are the two points that the celestial sphere seems to turn around? North Celestial Pole & South Celestial Pole How do we define the horizon for a person at any point on the Earth? a p...

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17 pages

Written in 2024/2025

Grade A+

UniTests

Rank the following objects from largest to smallest. LG: Galexy, Solar system, sun, earth SM Regarding the history of the universe, which of the following is true? Key elements of which Earth and life are made, including carbon, oxygen, and iron, did not exist when the universe was born and were created later in stars. Which of the following are real motions of our "spaceship Earth"? 1. Earth orbits the Sun. 2. Earth moves with the Sun on an orbit around the center of the Mil...

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34 pages

Written in 2024/2025

Grade A+

UniTests

AST 111 Exam | Questions with Verified Answers

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16 pages

Written in 2024/2025

Grade A+

QUINTER

AST 111 Exam with Questions Solved 100% Correct| Verified

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11 pages

Written in 2024/2025

Grade A+

QUINTER

AST 111 Exam with Questions Solved 100% Correct

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11 pages

Written in 2024/2025

Grade A+

QUINTER

AST 111 Exam Study Questions (Latest Update) with Verified Answers

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10 pages

Written in 2024/2025

Grade A+

QUINTER