A stars white - Study guides, Class notes & Summaries
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GSU ASTR 1020 Final Exam Questions and Answers 2024
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Luminosity - The total amount of power a star emits into space that's measured in watts. 
 
Apparent Brightness - Amount of starlight that actually reaches Earth 
 
HR Diagram - is a graphical tool that astronomers use to classify stars according to their luminosity, spectral type, color, temperature and evolutionary stage. Stars in the stable phase of hydrogen burning lie along the Main Sequence according to their mass. 
 
OBAFGKM - Oh Be A Fine Girl Kiss Me 
 
Main Sequence - the vast majorit...
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AST 111 Final Exam || A+ Graded Already.
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White Dwarf "Star" correct answers Result of the death of a low mass star 
 
The exposed core of a low mass star; 
-hot 
-dense 
-mostly carbon 
 
If there is no new energy production in a white dwarf, what prevents gravity from crushing it? correct answers Electron degeneracy pressure 
 
White dwarf "stars"- electron degeneracy pressure correct answers Electron degeneracy pressure will only hold up a star to about 1.4 solar masses, above that gravity will begin to win, resulting in the st...
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ASTRONOMY EXAM FINAL!!!! QUESTIONS AND ANSWERS 100% SOLVED
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ASTRONOMY EXAM FINAL!!!! 
QUESTIONS AND ANSWERS 100% 
SOLVED 
What is the mass that divides low mass stars from high mass stars? 
(what is the criteria for a low mass star or a high mass star in terms of M) ️️M < 8M = low 
mass 
M > 8M = high mass 
What is the evolutionary endpoint for most low mass stars? ️️White Dwarf 
What is the evolutionary endpoint for most high mass stars? ️️Neutron Star 
What is happening in the core of a star while it is on the main sequence? ️️...
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PRAXIS 5008 EXAM TEST BANK 176 QUESTIONS WITH 100% CORRECT ANSWERS UPDATED 2024-2025
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PRAXIS 5008 EXAM TEST BANK 176 QUESTIONS WITH 100% CORRECT ANSWERS UPDATED 
 
Who introduced the heliocentric model? - Answer Copernicus 
 
Describe the phases of the moon - Answer Begin with the new moon (fully black) and then gain white (waxing) until you get to full moon (fully white) and then begin gaining black (waning) until you return to new moon 
 
What are the phases of the moon starting with new moon? - Answer new moon 
waxing crescent 
first quarter 
waxing gibbous 
full moon 
...
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Space Exploration|Complete Questions with A+ Graded Answers
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Space Exploration|Complete Questions with A+ Graded Answers 
main sequence 
a diagonal area on an H-R diagram that includes more than 90 percent of all stars 
 
 
white dwarf 
A small, hot, dim star that is the leftover center of an old star 
 
 
Luminosity 
the true brightness of an object 
 
 
light year 
the distance light travels in one year 
 
 
blueshifted 
the doppler shift toward shorter wavelengths of light from an approaching object 
 
 
Redshifted 
stars moving away from Earth 
 
 
Ne...
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8th Grade Science STAAR Test- Lindsey exam questions with 100% correct answers
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Light-Year 
is the distance light travels in one year; 1 light-year = 10,000,000,000,000 km or 10 trillion km 
 
 
 
Apparent Magnitude 
is a measure of how bright an object appears from Earth 
 
 
 
 
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Luminosity 
also known as the absolute magnitude; it is the true brightness of an object 
 
 
 
Nuclear Fusion 
is a process that occurs when the nuclei of several atoms com...
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Astro 102 Final Exam Ultimate Study Guide | 100% Correct Answers | Verified | Latest 2024 Version
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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. 
What are the characteristics of spiral galaxies? - They contain abundant clouds of cool gas and dust, 
are rare...
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CT Registry Review (MIC) Questions and Answers Rated 100%
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CT Registry Review (MIC) Questions and Answers Rated 100% 
 
In order for an x-ray photon to be measured it must: 
1. enter the detector chamber 
2. be absorbed by the detector material 
3. be converted to a measurable event *ANS* 1,2,3 
 
Which system component converts the projection attenuation data into the proper digital form for the array processor? *ANS* analog-to-digital converter 
 
Which of the following is NOT a function of a PACS system? 
a. reconstruction of the image from the raw d...
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Space Exploration|Complete Questions with A+ Graded Answers
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Space Exploration|Complete Questions with A+ Graded Answers 
main sequence 
a diagonal area on an H-R diagram that includes more than 90 percent of all stars 
 
 
white dwarf 
A small, hot, dim star that is the leftover center of an old star 
 
 
Luminosity 
the true brightness of an object 
 
 
light year 
the distance light travels in one year 
 
 
blueshifted 
the doppler shift toward shorter wavelengths of light from an approaching object 
 
 
Redshifted 
stars moving away from Earth 
 
 
Ne...
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Astro 102 Final Exam Ultimate Study Guide | 100% Correct Answers | Verified | Latest 2024 Version
- Exam (elaborations) • 26 pages • 2024
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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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