Cepheid period - Study guides, Class notes & Summaries
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GIZMOS Student Exploration: Big Bang Theory – Hubble’s Law 2023 Answered.
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GIZMOS Student Exploration: Big Bang Theory – Hubble’s Law 2023 Answered. 
 
 
 
 
Name:		Date: 	 
 
 
Student Exploration: Big Bang Theory – Hubble’s Law 
 
Vocabulary: absolute brightness, absorption spectrum, apparent brightness, Big Bang theory, blueshift, Cepheid variable, Doppler shift, Hubble constant, Hubble’s law, luminosity, megaparsec, period, redshift, spectrograph 
 
 
Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 
Standing by the side of a lonely highway...
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PHYS 1031A Final Exam Review questions with complete solution
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What observational measurement is required to determine the distance to a 
Galaxy using Hubble's Law? - ANSWER-Redshift 
What were the conditions of the early universe? - ANSWER-Hot and very dense 
True or False: 
If Light traveled for 5 billion years, then the distance between the two galaxies 
must have been less than 5 billion light years when the light began its journey 
because the distances between galaxies are always increasing in the expanding 
universe - ANSWER-True 
If our universe is...
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Science Bowl Astronomy Study Guide Rated A+
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Science Bowl Astronomy Study Guide 
 
Rated A+ 
 
Albedo Amount of sunlight that is reflected by the surface of a planet or a satellite, such as 
the Moon. 
 
Aphelion The point in an orbit in which an object is at its farthest possible distance from the 
Sun. 
 
Apogee The point in an orbit in which an object is at its farthest possible distance from the 
Earth. 
 
Astronomical Unit (AU) Mean distance from the Earth to the Sun. 
 
Aurora Glow in the Earth's ionosphere caused by the interaction...
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GIZMOS Student Exploration: Big Bang Theory – Hubble’s Law 2023
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GIZMOS Student Exploration: Big Bang Theory – Hubble’s Law 2023. Collect data: Locate and select the yellow Cepheid variable star (A-091) in the lower left 
section of the Andromeda Galaxy. Click the Collect data button. You will see a graph of the 
apparent brightness of the star over time. 
A. How does the star’s apparent brightness change over time? It decreases, then increases, and 
decreases again. Its like a pattern. 
B. Turn on Show time probes. Set the left probe at the first brigh...
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Astro 102 Final Exam Ultimate Study Guide | 100% Correct Answers | Verified | Latest 2024 Version
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Astro 102 Final Exam Ultimate Study Guide | 
100% Correct Answers | Verified | Latest 
 
2024 Version 
 
What are the characteristics of disk stars (yellow) of the Milky Way Galaxy? - High mass stars, the 
Sun, youngest stars, and stars that all orbit in nearly the same plane 
 
What are the characteristics of halo stars (green) of the Milky Way Galaxy? - Globular clusters, oldest 
stars, stars whose orbits can be inclined at any angle, and stars with smallest abundance of heavy 
elements. 
 
Wh...
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GIZMOS Student Exploration: Big Bang Theory – Hubble’s Law
- Exam (elaborations) • 13 pages • 2023
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GIZMOS Student Exploration: Big Bang Theory – Hubble’s Law. absolute brightness, absorption spectrum, apparent brightness, Big Bang theory, 
blueshift, Cepheid variable, Doppler shift, Hubble constant, Hubble’s law, luminosity, 
megaparsec, period, redshift, spectrograph 
Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 
Standing by the side of a lonely highway at night, you see two motorcycle headlights, one in 
each direction. The headlight on your left appears brighter than ...
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GIZMOS Student Exploration; Big Bang Theory | Hubble’s Law 2023
- Exam (elaborations) • 13 pages • 2023
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GIZMOS Student Exploration; Big Bang Theory | Hubble’s Law 2023. Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 
Standing by the side of a lonely highway at night, you see two motorcycle headlights, one in 
each direction. The headlight on your left appears brighter than the one on your right. 
1. If the headlights are equally bright, which motorcycle is closer? The one on the left side 
Explain: If it is brighter than that means its going to be closer because the light particle...
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ASTR 91 EXAMQUESTIONS WITH COMPLETE SOLUTIONS
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all of the following are true. which of these gives evidence that quasars were more common in the early stages of the universe? - ️️they are more common at very great distances 
approximately how far is the sun from the center of the galaxy? - ️️27,000 light years 
Based on counting the number of galaxies in a small patch of the sky and multiplying by the number of such patches needed to cover the entire sky, the total number of galaxies in the observable universe is estimated to be appr...
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Science Bowl Astronomy Study Guide Exam Questions With Complete Solutions (Verified And Updated)
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Science Bowl Astronomy Study Guide Exam 
Questions With Complete Solutions (Verified 
And Updated) 
Albedo - answerAmount of sunlight that is reflected by the surface of a planet or a satellite, 
such as the Moon. 
Aphelion - answerThe point in an orbit in which an object is at its farthest possible distance 
from the Sun. 
Apogee - answerThe point in an orbit in which an object is at its farthest possible distance 
from the Earth. 
Astronomical Unit (AU) - answerMean distance from the Earth to ...
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Exam 3A - Binghamton University ASTR 114 | Latest 2023-2024
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1) The rotation curve of the Milky Way suggests that the majority of the mass of the Milky Way lies 
farther out than the Sun's orbit. 
A) True 
B) False 
1) 
2) Which of the following best describes the evolutionary track followed on the H-R diagram for 
the most massive stars (before the star undergoes a Type II supernova)? 
A) horizontally right, then forms a clockwise loop 
B) horizontally right, diagonally to lower left, then horizontally right 
C) diagonally to lower right, then vertical,...
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