Understanding Our Universe
3rd Edition
ISBN: 9780393614428
Author: PALEN, Stacy, Kay, Laura, Blumenthal, George (george Ray)
Publisher: W.w. Norton & Company,
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Question
Chapter 12.1, Problem 12.1CYU
To determine
The star that have the longest lifetime.
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QUESTION 8
Which of the following will occur to our Sun at some point in the future? (Select all that apply)
The sun will explode as a supernova
The core of the sun will become a white dwarf
The core of the sun will become a neutron star
The core of the sun will become a black hole
V The sun will become a red giant
Which star in the table below is the closest to Earth?
Star Name
d (parsecs)
Parallax (seconds of arc)
Spectral Type
$$ \delta $$ Cen
0.026
B2 IV
HR 4607
0.039
G8 III
HR 4758
20
G0 V
HR 39801
0.005
M2 I
9 CMa
2.5
A1 V
a.
$$ \delta $$ Cen
b.
HR 4607
c.
HR 4758
d.
HD 39801
e.
9 CMa
Which star in the table below has the least surface temperature?
Star Name
d (parsecs)
Parallax (seconds of arc)
Spectral Type
$$ \delta $$ Cen
0.026
B2 IV
HR 4607
0.039
G8 III
HR 4758
20
G0 V
HR 39801
0.005
M2 I
9 CMa
2.5
A1 V
a.
$$ \delta $$ Cen
b.
HR 4607
c.
HR 4758
d.
HD 39801
e.
9 CMa
Chapter 12 Solutions
Understanding Our Universe
Ch. 12.1 - Prob. 12.1CYUCh. 12.2 - Prob. 12.2CYUCh. 12.3 - Prob. 12.3CYUCh. 12.4 - Prob. 12.4CYUCh. 12.5 - Prob. 12.5CYUCh. 12.6 - Prob. 12.6CYUCh. 12 - Prob. 1QAPCh. 12 - Prob. 2QAPCh. 12 - Prob. 3QAPCh. 12 - Prob. 4QAP
Ch. 12 - Prob. 5QAPCh. 12 - Prob. 6QAPCh. 12 - Prob. 7QAPCh. 12 - Prob. 8QAPCh. 12 - Prob. 9QAPCh. 12 - Prob. 10QAPCh. 12 - Prob. 11QAPCh. 12 - Prob. 12QAPCh. 12 - Prob. 13QAPCh. 12 - Prob. 14QAPCh. 12 - Prob. 15QAPCh. 12 - Prob. 16QAPCh. 12 - Prob. 17QAPCh. 12 - Prob. 18QAPCh. 12 - Prob. 19QAPCh. 12 - Prob. 20QAPCh. 12 - Prob. 21QAPCh. 12 - Prob. 22QAPCh. 12 - Prob. 23QAPCh. 12 - Prob. 24QAPCh. 12 - Prob. 25QAPCh. 12 - Prob. 26QAPCh. 12 - Prob. 27QAPCh. 12 - Prob. 28QAPCh. 12 - Prob. 29QAPCh. 12 - Prob. 30QAPCh. 12 - Prob. 32QAPCh. 12 - Prob. 33QAPCh. 12 - Prob. 34QAPCh. 12 - Prob. 35QAPCh. 12 - Prob. 36QAPCh. 12 - Prob. 37QAPCh. 12 - Prob. 38QAPCh. 12 - Prob. 39QAPCh. 12 - Prob. 40QAPCh. 12 - Prob. 42QAPCh. 12 - Prob. 43QAPCh. 12 - Prob. 44QAPCh. 12 - Prob. 45QAP
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- The lowest mass for a true star is 1/12 the mass of the Sun. What is the luminosity of such a star based upon the mass-luminosity relationship?arrow_forwardHertzsprung-Russell Diagram Bhue or blue white White Vellow Red-orange Red ORigel Superglants Beteignune Main Sequence Aldebaran Glants Sun Alpho Centour B Sinus B White Dwarfs 50.000 20,000 10,000 Surface Temperature ('C) 6.000 5,000 3.000 Most of the stars shown on the diagram are classified as which type of star? O white dwarf O main sequence O red giant O super giant Brightness Increasing-arrow_forwardWhich statement is most logical? a First stars are thought to have been more massive than Sun because the materials used to make clouds were more abundant at the beginning b First stars are thought to have been more massive than Sun because the temperatures of the clouds that made them were higher because they consisted entirely of hydrogen and helium c First stars are thought to have been more massive than Sun because star-forming clouds were much denser early in time d First stars are thought to have been more massive than Sun because the clouds that made them were much more massivearrow_forward
- Hertzsprung-Russell Diagram Blue or blue-white White Yellow Red-orange Red O Rigel Supergiants Beleigne Main Sequence Aldebaran Glants Sun O Alpho Centaur B Sirus B White Dwarfs 50,000 20,000 10,000 6,000 5,000 3,000 Surface Temperature ('C) What is the color of the stars shown on the diagram that have the lowest surface temperature? O red O yellow O blue O white - 6useanuarrow_forwardWhich star in the table below has the greatest diameter? Star Name d (parsecs) Parallax (seconds of arc) Spectral Type 65 Tau 0.025 A7 IV HR 4621 B2 IV $$ \alpha $$ Pic 20 A7 V 58 Ori 0.005 M2 I HR 2491 2.5 A1 V a. 65 Tau b. HR 4621 c. $$ \alpha $$ Pic d. 58 Ori e. HR 2491arrow_forwardWhat star has the largest stellar parallax as measured from opposite ends of the Earth's orbit about the Sun? Group of answer choices Sirius The Sun Barnard's star Proxima Centauri Alpha Centauriarrow_forward
- Hertzsprung-Russell Diagram Blue or blue-white White Yellow Red orange Red Superglants Beleigese Main Sequene Aldenaran Glants Suno Aipho CetorE Sinus B White Dwarfs 50,000 20,000 10.000 6,000 5,000 3,000 Surface Temperature (C) Which star listed below is the brightest? Sun O Sirius B O Betelgeuse O Rigel Brightnessarrow_forwardHertzsprung-Russell Diagram Blue or blue-white White Yellow Red orange Red O Rigel Superglants Betelger Main Sequence ANdetaran Glants Caur Sirus 5 White Dwarfs 50,000 20,000 10,000 6,000 5,000 3,000 Surface Temperature (C) Would the surface temperature of the stars classified as white dwarfs be generally higher or lower than that of the stars classified as giants? O higher O lower 29 30 31 32 33 34 35 36 37 ere to search -6useanuarrow_forwardHertzsprung-Russell Diagram Blue or blue white White Vellow Red orange Red Superglants Beleigeurse Maln Sequence Aldebaran Glants Suno Aipho Centoun S Sinus B White Dwarfs 50,000 20,000 10.000 6,000 5,000 3,000 Surface Temperature ("C) Most of the stars shown on the diagram are classified as which type of star? O white dwarf O main sequence O red giant super giant Brightnessarrow_forward
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