An Introduction to Physical Science
14th Edition
ISBN: 9781305079137
Author: James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher: Cengage Learning
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Question
Chapter 18, Problem 2AYK
To determine
The effect will be there when a bright star Sirius will explode in a supernova.
To determine
The time duration between the actual supernova and the observation of supernova made on the Earth.
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White Dwarf Size II. The white dwarf, Sirius B, contains 0.98 solar mass, and its density is about 2 x 106 g/cm?. Find the radius of the white dwarf in km to three significant digits. (Hint: Density = mass/volume, and the volume of a
4
sphere is Tr.)
3
km
Compare your answer with the radii of the planets listed in the Table A-10. Which planet is this white dwarf is closely equal to in size?
I Table A-10 I Properties of the Planets
ORBITAL PROPERTIES
Semimajor Axis (a)
Orbital Period (P)
Average Orbital
Velocity (km/s)
Orbital
Inclination
Planet
(AU)
(106 km)
(v)
(days)
Eccentricity
to Ecliptic
Mercury
0.387
57.9
0.241
88.0
47.9
0.206
7.0°
Venus
0.723
108
0.615
224.7
35.0
0.007
3.4°
Earth
1.00
150
1.00
365.3
29.8
0.017
Mars
1.52
228
1.88
687.0
24.1
0.093
1.8°
Jupiter
5.20
779
11.9
4332
13.1
0.049
1.30
Saturn
9.58
1433
29.5
10,759
9.7
0.056
2.5°
30,799
60,190
Uranus
19.23
2877
84.3
6.8
0.044
0.8°
Neptune
* By definition.
30.10
4503
164.8
5.4
0.011
1.8°
PHYSICAL PROPERTIES (Earth = e)…
QUESTION 16
Use the figure shown below to complete the following statement: A low-mass protostar (0.5 to 8M the mass compared to our sun) remains roughly constant in
decreases in
until it makes a turn towards the main sequence, as it follows its evolutionary track.
Protostars of different masses follow diferent
paths on their way to the main sequence.
107
Luminosity (L)
10
105
10
107
10²
101
1
10-1
10-2
10-3
Spectral
type
0.01 R
0.001
Re
60 M
MAIN SEQUENCE
40,000 30,000
20 Mau
10 Mgun
5 Mun
0.1 Run
Ren
radius; temperature
luminosity; radius
3 Min.
05 BO
temperature; luminosity
Oluminosity: temperature
radius: luminosity
1 M
10,000 6000
Surlace temperature (K)
1,000 Rs
2 M STAR
L
0.8 M
B5 AO FOGO КБ МБ
-10
+10
3000
Absolute visual magnitude
and
How many times hotter than our sun is the hottest type O star, which has a surface temperature 40,000 K? Number times hotter =
Chapter 18 Solutions
An Introduction to Physical Science
Ch. 18.1 - How is the position of a star designated in the...Ch. 18.1 - Prob. 2PQCh. 18.1 - Prob. 18.1CECh. 18.2 - Prob. 1PQCh. 18.2 - Prob. 2PQCh. 18.3 - Prob. 1PQCh. 18.3 - Prob. 2PQCh. 18.4 - Prob. 1PQCh. 18.4 - Prob. 2PQCh. 18.5 - Prob. 1PQ
Ch. 18.5 - Prob. 2PQCh. 18.6 - Prob. 1PQCh. 18.6 - Prob. 2PQCh. 18.7 - Prob. 1PQCh. 18.7 - Prob. 2PQCh. 18.7 - Prob. 18.2CECh. 18 - Prob. AMCh. 18 - Prob. BMCh. 18 - Prob. CMCh. 18 - Prob. DMCh. 18 - Prob. EMCh. 18 - Prob. FMCh. 18 - Prob. GMCh. 18 - Prob. HMCh. 18 - Prob. IMCh. 18 - Prob. JMCh. 18 - Prob. KMCh. 18 - Prob. LMCh. 18 - Prob. MMCh. 18 - Prob. NMCh. 18 - Prob. OMCh. 18 - Prob. PMCh. 18 - Prob. QMCh. 18 - Prob. RMCh. 18 - Prob. SMCh. 18 - Prob. TMCh. 18 - Prob. UMCh. 18 - Prob. VMCh. 18 - Prob. WMCh. 18 - Prob. XMCh. 18 - Prob. YMCh. 18 - Prob. ZMCh. 18 - Prob. AAMCh. 18 - What is the point on the celestial sphere...Ch. 18 - Prob. 2MCCh. 18 - Prob. 3MCCh. 18 - Prob. 4MCCh. 18 - Prob. 5MCCh. 18 - Prob. 6MCCh. 18 - Prob. 7MCCh. 18 - What force keeps the all stars from flying apart?...Ch. 18 - Prob. 9MCCh. 18 - Prob. 10MCCh. 18 - Prob. 11MCCh. 18 - Prob. 12MCCh. 18 - Prob. 13MCCh. 18 - Prob. 14MCCh. 18 - Prob. 15MCCh. 18 - Prob. 16MCCh. 18 - Prob. 17MCCh. 18 - Prob. 18MCCh. 18 - Prob. 19MCCh. 18 - Prob. 20MCCh. 18 - The apparent change of the position of a star due...Ch. 18 - Prob. 2FIBCh. 18 - Prob. 3FIBCh. 18 - Prob. 4FIBCh. 18 - Prob. 5FIBCh. 18 - Prob. 6FIBCh. 18 - Prob. 7FIBCh. 18 - Prob. 8FIBCh. 18 - Prob. 9FIBCh. 18 - Prob. 10FIBCh. 18 - Prob. 11FIBCh. 18 - Prob. 12FIBCh. 18 - Prob. 13FIBCh. 18 - Prob. 14FIBCh. 18 - Prob. 15FIBCh. 18 - Prob. 16FIBCh. 18 - Prob. 17FIBCh. 18 - Prob. 18FIBCh. 18 - Prob. 19FIBCh. 18 - Prob. 20FIBCh. 18 - Prob. 1SACh. 18 - Prob. 2SACh. 18 - Prob. 3SACh. 18 - What is the vernal equinox, and what does it have...Ch. 18 - Prob. 5SACh. 18 - Prob. 6SACh. 18 - Prob. 7SACh. 18 - Prob. 8SACh. 18 - Prob. 9SACh. 18 - Prob. 10SACh. 18 - Prob. 11SACh. 18 - Prob. 12SACh. 18 - Prob. 13SACh. 18 - Prob. 14SACh. 18 - Prob. 15SACh. 18 - Prob. 16SACh. 18 - Prob. 17SACh. 18 - Prob. 18SACh. 18 - Prob. 19SACh. 18 - Prob. 20SACh. 18 - Prob. 21SACh. 18 - Prob. 22SACh. 18 - Prob. 23SACh. 18 - Prob. 24SACh. 18 - Prob. 25SACh. 18 - Prob. 26SACh. 18 - Prob. 27SACh. 18 - Prob. 28SACh. 18 - Prob. 29SACh. 18 - Prob. 30SACh. 18 - Prob. 31SACh. 18 - Prob. 32SACh. 18 - Prob. 33SACh. 18 - Prob. 34SACh. 18 - Prob. 35SACh. 18 - Prob. 36SACh. 18 - Prob. 37SACh. 18 - Prob. 38SACh. 18 - Prob. 39SACh. 18 - State three experimental findings that support the...Ch. 18 - Prob. 41SACh. 18 - Prob. 42SACh. 18 - Prob. 1VCCh. 18 - Prob. 1AYKCh. 18 - Prob. 2AYKCh. 18 - Prob. 3AYKCh. 18 - If you went outside on a clear night to locate...Ch. 18 - Prob. 5AYKCh. 18 - Prob. 6AYKCh. 18 - What major factor determines the future of the...Ch. 18 - Find the distance in parsecs to the star Altair,...Ch. 18 - The bright star Sirius has a parallax angle of...Ch. 18 - Calculate the number of seconds in a year (365...Ch. 18 - Prob. 4ECh. 18 - Prob. 5ECh. 18 - Prob. 6ECh. 18 - Prob. 7ECh. 18 - Prob. 8ECh. 18 - Prob. 9ECh. 18 - Prob. 10ECh. 18 - Prob. 11ECh. 18 - If Hubbles constant had a value of 75 km/s/Mpc,...
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- For a main sequence star with luminosity L, how many kilograms of hydrogen is being converted into helium per second? Use the formula that you derive to estimate the mass of hydrogen atoms that are converted into helium in the interior of the sun (LSun = 3.9 x 1026 W). (Note: the mass of a hydrogen atom is 1 mproton and the mass of a helium atom is 3.97 mproton. You need four hydrogen nuclei to form one helium nucleus.)arrow_forwardWhat is fusion? How does it happen inside a star?arrow_forwardA planet orbits 1 AU from a star that is 3.5 times as massive as our Sun. How does the star's luminosity compare? If the star has the same radius as our Sun, what is the temperature of the star compared to the Sun? If Earth's average temperature is 287 K and the Sun were replaced with this star, how would its average temperature change? (Enter a temperature in K. Assume that Earth temperature is proportional to solar flux.)arrow_forward
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