Sun size and brightness Study guides, Class notes & Summaries
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Astro 102 - Final Exam Set Questions With 100% Correct Answers | Latest Update
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Astro 102 - Final Exam Set 
Questions With 100% Correct 
Answers | Latest Update 
What is cosmology? - ANSWER : the study of how the 
distribution of galaxies changes over time 
How does the size of a supernova compare with the size 
of the observable universe? - ANSWER : The size of a 
supernova is 2/3 the size of the observable universe 
Cepheids with longer periods have... - ANSWER : 
higher luminosities 
A Cepheid with a period of 30 days has an average 
luminosity that is.... - ANS...
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Edelmen's SPI Exam Review Test Answered 100% Correctly!
- Exam (elaborations) • 31 pages • 2023
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Edelman SPI review questions & Answers 2023. 
______ is the distance covered by one cycle. 
a) pulse length 
b) wavelength 
c) cycle distance 
d) cycle duration 
 
______ is the time to complete one cycle 
a) pulse duration 
b) pulse period 
c) period 
d) duration period 
 
________ is a redirection of an ultrasound bean in many directions as a result of a rough boundary between two media: 
a) refraction 
b) Rayleigh Scattering 
c) scattering 
d) reflection 
 
_________ resolution is...
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ASTR 1020 Final Exam Study Guide 2024
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White dwarfs: properties - Remaining cores of dead, low mass stars 
Electron degeneracy pressure supports them against gravity 
Slowly fade with time 
Sirius and its hot WD companion 
White dwarfs with same mass as Sun are about same size as Earth; slowly cooling 
Typical density 10^6 gram / cubic cm 
Higher mass white dwarfs are smaller 
Cannot be more massive than 1.4MSun, the Chandrasekhar limit 
 
WDs in binaries: nova, supernova Type I - Mass falls toward white dwarf from binary companion 
...
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AVIXA Video 1: Essentials All Possible Questions and Answers with complete solution
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160 degrees - The visual field of the human eye is _____ wide. 
160 degrees 
135 degrees 
90 degrees 
200 degrees 
AV equipment allows for adjusting the "whiteness" for optimal display. - Why is color temperature 
awareness important in the AV industry? 
The AV industry strives to set the standard for "whiteness." 
AV equipment allows for adjusting the "whiteness" for optimal display. 
People expect exact "whiteness" when viewing a display. 
"Whiteness" is subjective with ever changing...
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Survey final exam review questions & answers 2024/2025
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Survey final exam review questions & answers 2024/2025 
 
 
The Sun's diameter is about _______ times larger than the Earth's diameter. - ANSWERS100 
 
Solar sunspots are distributed uniformly over the Sun's surface both in position and time. True or False? - ANSWERSFalse 
 
Solar sunspots typically measure about 10,000 km across (about the size of the Earth!) True or False? - ANSWERSTrue 
 
The primary source of the Sun's energy is _____________________________. - ANSWERSfusion of light ele...
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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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AST 111 Exam 3 Study Guide || with 100% Verified Solutions.
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Ice Giant correct answers - a relatively new term used to refer to Uranus and Neptune 
- while they both contain substantial amounts of both hydrogen and helium, they contain substantially larger amounts of ammonia and especially methane than the larger gas giants 
 
dwarf planet correct answers An object that orbits the sun and is spherical, but has not cleared the area of its orbit. 
 
Kuiper Belt correct answers A region of the solar system that is just beyond the orbit of Neptune and that co...
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ASTR Exam 1 2024 with 100% correct answers
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The figure below shows an H-R diagram, with five stars labeled A through E. Which star has the highest temperature? - correct answer A 
 
If the sun was not currently in hydrostatic equilibrium, we would see? - correct answer the suns radius increasing and decreasing 
 
Which part of the sun is visible around the shadow of the moon? - correct answer chromosphere 
 
Stars that have spectral Type B _____ in temperature compared with stars that have spectral type M. - correct answer are hotter 
 
T...
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ISP 203 Final Exam || All Questions & Answers (Rated A+)
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ISP 203 Final Exam || All Questions & Answers (Rated A+) 
ISP 203 Final Exam || All Questions & Answers (Rated A+) 
 
How has the world population changed since the beginning of agriculture? Since the industrial revolution? - ANSWER - Very small at beginning of agriculture, exploded since industrial revolution 
 
What is the first step of the scientific method? - ANSWER - Observe, ask a question 
 
What happens after a scientist formulates a hypothesis to explain some observation? - ANSWER - Tes...
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San Diego City College, Astronomy 101, Fitzgerald, Exam 3 Questions and Answers with complete
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What were the early ideas of how the Sun shines? Why were these ideas incorrect? Why does the 
Sun shine? - Answer-Chemical burning was what humans thought made the sun shine. However, if 
this was true- the sun would be like a campfire that would need a fuel source and to be "fed" 
periodically. The Sun shines due to nuclear fusion 
Be able to name the Sun's layers from inside to outside and be able to know the importance of each 
layer (e.g. what type of light does the chromosphere emit?) -...
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