UNDERSTANDING THE UNIVERSE(LL)-W/CODE
3rd Edition
ISBN: 9780393869903
Author: PALEN
Publisher: NORTON
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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 THE UNIVERSE(LL)-W/CODE
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- What are the approximate spectral classes of stars with the following characteristics? A. Balmer lines of hydrogen are very strong; some lines of ionized metals are present. B. The strongest lines are those of ionized helium. C. Lines of ionized calcium are the strongest in the spectrum; hydrogen lines show only moderate strength; lines of neutral and metals are present. D. The strongest lines are those of neutral metals and bands of titanium oxide.arrow_forwardArrange the following in order of increasing apparent brightness: Sirius; a full moon: Polaris; Venus; the Sun; the faintest star you can see without a telescopearrow_forwardLook elsewhere in this book for necessary data, and indicate what the final stage of evolution-white dwarf, neutron star, or black hole-will be for each of these kinds of stars. A. Spectral type-O main-sequence star B. Spectral type-B main-sequence star C. Spectral type-A main-sequence star D. Spectral type-G main-sequence star E. Spectral type-M main-sequence stararrow_forward
- An eclipsing binary star system is observed with the following contact times for the main eclipse: each star in the system. The orbital velocity of the smaller star relative to the larger is 62,000 km/h. Determine the diameters for each star in the system.arrow_forwardThe 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_forward
- Which 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_forwardHertzsprung-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_forward
- 6arrow_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_forwardHertzsprung-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_forward
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