Main sequence stars Study guides, Class notes & Summaries
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![ASTR 114 Astronomy - Final Exam "Cheat Sheet" | Latest 2023-2024](/docpics/3359595/64f392730c86e_3359595_121_171.jpeg)
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ASTR 114 Astronomy - Final Exam "Cheat Sheet" | Latest 2023-2024
- Exam (elaborations) • 6 pages • 2023
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-1.5 magnitude Sirius appears 25x brighter 
than 2 magnitude Polaris. 
 “All neutron stars are pulsars, but not all 
pulsars are neutron stars” FALSE 
 “Spectroscopic Binary” is the term given to 
a pair of stars that we can determine are 
orbiting each other only by measuring their 
periodic Doppler shifts. 
 A 6.8 solar mass neutron star does NOT 
exist. 
 A loop of gas and charged particles 
following the magnetic field lines between 
sunspot’s poles is a Prominence/...
![ASTRO 7N EXAM 2 2024 WITH 100% CORRECT ANSWERS](/docpics/4466039/65c6d8699a647_4466039_121_171.jpeg)
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ASTRO 7N EXAM 2 2024 WITH 100% CORRECT ANSWERS
- Exam (elaborations) • 13 pages • 2024 Popular
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A high-luminosity star... 
 
A. is always at a larger distance than a low-luminosity star 
B. emits more light than a low-luminosity star 
C. is always redder than a star with a lower luminosity 
D. is at a lower temperature than a low-luminosity star 
E. is always at a smaller distance than a low-luminosity star Answer - B 
 
If a red giant appears the same brightness as a red main sequence star, which one is further away? 
 
A. the red giant 
B. we cannot tell 
C. it depends on the phase o...
![Test Bank For Astronomy Today 9th Edition By Eric Chaisson; Steve McMillan 9780134450278 Chapter 1-28 Complete Guide .](/docpics/3048809/64ad5481adf04_3048809_121_171.jpeg)
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Test Bank For Astronomy Today 9th Edition By Eric Chaisson; Steve McMillan 9780134450278 Chapter 1-28 Complete Guide .
- Exam (elaborations) • 634 pages • 2023
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Test Bank For Astronomy Today 9th Edition By Eric Chaisson; Steve McMillan 0278, 2 . 3662, 3 
 
1 Charting the Heavens The Foundations of Astronomy 
 
2 The Copernican Revolution The Birth of Modern Science 
 
3 Radiation Information from the Cosmos 
 
4 Spectroscopy The Inner Workings of Atoms 
 
5 Telescopes The Tools of Astronomy 
 
6 The Solar System Comparative Planetology and Formation Models 
 
7 Earth Our Home in Space 
 
8 The Moon and Mercury Scorched and Battered Worlds 
 
9 Venus Ear...
![Exam 2B - Binghamton University ASTR 114 | Latest 2023](/docpics/3359882/64f39e9b36974_3359882_121_171.jpeg)
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Exam 2B - Binghamton University ASTR 114 | Latest 2023
- Exam (elaborations) • 6 pages • 2023
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This exam is entirely multiple choice or true/false. A=T, B=F 
TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 
1) The photosphere is about 100 times the diameter of the Earth, and large sunspots are larger than 
our whole planet. 
1) 
2) Granulation is the most obvious proof of solar convective energy transport. 2) 
3) The solar corona is much cooler than the Sun's surface, hence we must wait for a total solar 
eclipse to glimpse it with the naked eye. 
3)...
![PSU Astro 001 Unit 3 Exam | 50 Questions with 100% Correct Answers | Updated | Download to score A+](/docpics/63cd8fe91f9b9_2286998.jpg)
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PSU Astro 001 Unit 3 Exam | 50 Questions with 100% Correct Answers | Updated | Download to score A+
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A large luminosity star - Emits more light than a low luminosity star 
If a red giant appears the same brightness as a red main sequence star, which one is further 
away? - The red giant 
The heaviest nuclei of all are formed - During a supernova explosion 
Hydrogen-2 + proton = ? - Hydrogen-2 + proton = Helium-3 
Why does the main sequence part of a star's life end? - The hydrogen in the core is exhausted 
Many of the brightest 100 stars viewed from Earth are not on the main sequence (even tho...
![Real asvab test!!! Updated Spring 2023.](/docpics/63b37f7d9639a_2217113.jpg)
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Real asvab test!!! Updated Spring 2023.
- Exam (elaborations) • 9 pages • 2023
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Real asvab test!!! Updated Spring 2023. 
 
"Complexity" most nearly means 
 
4 weights are tied together and hung from the ceiling. what will be the tension in the cord at the point labeled X? 
 
4x+12=0 
 
 
a belt passes over a drum and its ends are connected to springs. if the drum rotates in the direction shown and there is friction between the drum and the belt, then 
 
a box sits on a smooth table. 3 strings are attached to the box, each having a weight of 10 Ibs. attached to the othe...
![Missouri Post Study Guide Question and Answers Rated A+](/docpics/2785077/646b2bdbdcb45_2785077_121_171.jpeg)
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Missouri Post Study Guide Question and Answers Rated A+
- Exam (elaborations) • 17 pages • 2023
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Missouri Post Study Guide Question and Answers Rated A+ 
 
Q: Do all ATV accidents have to be reported in Statewide Traffic Accident Records System (STARS)? - A: No. However, every law enforcement officer who investigates a vehicle accident resulting in injury to or death of a person, or total property damage to an apparent extent of "five hundred dollars" or more to one person, or who otherwise prepares a written report as a result of an investigation. 
 
Q: What is the preferred method of me...
![Astro 7N Exam 2 Questions and Answers | Verified Updated| Latest 2024.](/docpics/5454919/6654d78a2103b_5454919_121_171.jpeg)
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Astro 7N Exam 2 Questions and Answers | Verified Updated| Latest 2024.
- Exam (elaborations) • 15 pages • 2024
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Astro 7N Exam 2 Questions and Answers | Verified Updated| Latest 2024. 
1. A high-luminosity star ... 
A: is always at a larger distance than a low-luminosity star 
 B: emits more light than a low-luminosity star 
C: is always redder than a star with a lower luminosity 
D: is at a lower temperature than a low-luminosity star 
E: is always at a smaller distance than a low-luminosity star 
2. If a red giant appears the same brightness as a red main sequence star, which one is 
farther away? 
 A:...
![Astro 7N Exam 2 Questions and Answers | Verified Updated| Latest 2024.](/docpics/5455399/6654e126b4bc3_5455399_121_171.jpeg)
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Astro 7N Exam 2 Questions and Answers | Verified Updated| Latest 2024.
- Exam (elaborations) • 15 pages • 2024
- Available in package deal
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- $12.99
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Astro 7N Exam 2 Questions and Answers | Verified Updated| Latest 2024. 
1. A high-luminosity star ... 
A: is always at a larger distance than a low-luminosity star 
 B: emits more light than a low-luminosity star 
C: is always redder than a star with a lower luminosity 
D: is at a lower temperature than a low-luminosity star 
E: is always at a smaller distance than a low-luminosity star 
2. If a red giant appears the same brightness as a red main sequence star, which one is 
farther away? 
 A:...
![Astro 7N Exam 2 Questions and Answers | Verified Updated| Latest 2024.](/docpics/5456386/6654f05bdf0e6_5456386_121_171.jpeg)
-
Astro 7N Exam 2 Questions and Answers | Verified Updated| Latest 2024.
- Exam (elaborations) • 15 pages • 2024
- Available in package deal
-
- $12.99
- + learn more
Astro 7N Exam 2 Questions and Answers | Verified Updated| Latest 2024. 
1. A high-luminosity star ... 
A: is always at a larger distance than a low-luminosity star 
 B: emits more light than a low-luminosity star 
C: is always redder than a star with a lower luminosity 
D: is at a lower temperature than a low-luminosity star 
E: is always at a smaller distance than a low-luminosity star 
2. If a red giant appears the same brightness as a red main sequence star, which one is 
farther away? 
 A:...
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