A large luminosity star - Study guides, Class notes & Summaries
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Astronomy Quizlet Exam 3 with 100% correct answers 2024.
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Cygnus x-1 - correct answer A powerful x-ray source that is believed to be a black hole in our galaxy 
 
Virgo Cluster - correct answer Nearest large cluster of galaxies to our local group 
 
SBb - correct answer assignment given to a galaxy with moderately sized nuclear bulge & moderately wound arms starting from a bar through the central part of the galaxy 
 
That of an average city, about 10km - correct answer the diameter of a typical neutron star of 1 solar mass is predicted to be approxima...
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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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GIZMOS STUDENT EXPLORATION: BIG BANG THEORY – HUBBLE’S LAW 2021 THE BEST EXAM
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GIZMOS STUDENT EXPLORATION: BIG BANG THEORY – 
HUBBLE’S LAW 
2021 THE BEST EXAM 
 
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 at night, you see two moto...
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EARTH SCIENCE B - SEMESTER B REVIEW PRACTICE EXAM QUESTIONS AND ANSWERS|GUARANTEED SUCCESS
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Identify the way oceans can influence climate change. Select the two correct answers 
-ocean temperature could affect currents 
-ocean currents could affect prevailing winds 
 
 
 
Which can scientists study to learn about the atmospheric carbon dioxide thousands of years ago? 
ice 
 
 
 
Brainpower 
0:02 
/ 
0:15 
What effect did the Montreal Protocol have on Earth's ozone? 
It decreased ozone in the stratosphere. 
 
 
 
A group of scientists are studying observable matter in a cluster of gala...
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astr 115 final exam study guide | Detailed and Complete Solutions
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Hydrostatic Equilibrium 
The current distinguishing criterion between dwarf 
planets and small Solar System bodies 
Evolution of stars of different mass 
-Star formation produces a wide variety of stars 
-Only a few high-mass stars (O, B Type) are produced 
-The lowest mass stars (eg.M type) are the most 
common. 
-If a "star" forms with a mass less than about 1/10 the 
mass of the Sun, it will not have enough pressure in its 
core to ignite nuclear fusion. 
•The lower limit to the mass of a...
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GIZMOS STUDENT EXPLORATION THE BIG BANG THEORY MATHS CALCULATION WITH REFERENCING QUESTIONS AND ANSWERS EXAM
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GIZMOS STUDENT EXPLORATION THE BIG BANG THEORY MATHS 
CALCULATION WITH REFERENCING QUESTIONS AND ANSWERS EXAM 
 
The distance between Earth and Mars is 225 million km. When converted using the 
conversion factor 1 AU = 1.5 × 108 km, the distance between the planets is [0.2 AU/1.5 
AU/2.0 AU]. The astronomical unit (AU) is [shorter than/longer than/the same as] a lightyear. - 1.5 AU 
SHORTER THAN 
Drag each tile to the correct location. 
A scientist is studying the light emitted by several celes...
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GIZMOS Student Exploration: Big Bang Theory – Hubble’s Law 2021 Answered.
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GIZMOS Student 
Exploration: Big Bang 
Theory – Hubble’s Law 
2021 Answered. 
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 at night, you see two motorcycl...
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Astronomy 1010 Final TEST QUESTIONS WITH 100% COMPLETE SOLUTIONS
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Astronomy 1010 Final TEST QUESTIONS WITH 100% COMPLETE SOLUTIONS 
 
Which two energy sources can help a star maintain its internal thermal pressure? - ANSWERS Nuclear fusion and gravitational contraction 
 
What is the source of luminosity for protostars that have not yet become hot enough for fusion in their cores? - ANSWERS Gravitational energy released by infalling matter 
 
What can we learn about a star from its life track on an H-R diagram? - ANSWERS What surface temperature...
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GIZMOS STUDENT EXPLORATION THE BIG BANG THEORY MATHS CALCULATION WITH REFERENCING QUESTIONS AND ANSWERS EXAM
- Exam (elaborations) • 13 pages • 2024
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GIZMOS STUDENT EXPLORATION THE BIG BANG THEORY MATHS 
CALCULATION WITH REFERENCING QUESTIONS AND ANSWERS EXAM 
 
The distance between Earth and Mars is 225 million km. When converted using the 
conversion factor 1 AU = 1.5 × 108 km, the distance between the planets is [0.2 AU/1.5 
AU/2.0 AU]. The astronomical unit (AU) is [shorter than/longer than/the same as] a lightyear. - 1.5 AU 
SHORTER THAN 
Drag each tile to the correct location. 
A scientist is studying the light emitted by several celes...
-
Student Exploration: Big Bang Theory – Hubble’s Law ALL ANSWERS 100% CORRECT FALL-2021 SOLUTION GUARANTEED GRADE A+
- Exam (elaborations) • 14 pages • 2021
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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 
 
Gizmo Warm-up 
In 1912, an astronomer named Henrietta Swan Leavitt studied a class of stars called Cepheid variables. 
These stars change from bright to dim to bright again. 
Her discoveries led to a method of measuring distances to other galaxies and eventually helped to ...
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