Explanation Given data: The galaxy seems like a disk having 100 , 000 light-years diameter and 1000 light-years thickness. Formula used: 1 ly = c ( 1 year ) . Here, 1 ly is one light year and c is the speed of light . The conversion formula to convert the distance in kilometers from meters can be calculated as: 1 km= 1000 m . The conversion formula to convert the distance in miles from kilometers can be calculated as: 1 mi=1 .609 km Here, mi is the distance in miles. Explanation: A light year is defined as the distance that the light travels in one year. One light year distance is calculated from the formula: 1 ly = c ( 1 year ) . Substitute 3.00 × 10 8 m/s for c . 1 ly = ( 3.00 × 10 8 m/s ) ( 1 year ) = ( 3.00 × 10 8 m/s ) ( 1 year ) ( 365.25 d 1 year ) ( 24 h 1 d ) ( 3600 s 1 h ) = 9.47 × 10 15 m The diameter of the galaxy is 100 , 000 light-years. Hence, using the above conversion method for one light-year, the value of 100 , 000 lights-years diameter can be calculated as, d = ( 100 , 000 ly ) = ( 100 , 000 ly ) ( 9.47 × 10 15 m 1 ly ) = 9.47 × 10 20 m Then, the value of the diameter of the galaxy in kilometers can be calculated as, d = ( 100 , 000 ly ) = ( 100 , 000 ly ) ( 9.47 × 10 15 m 1 ly ) ( 1 km 1000 m ) = 9

2nd Edition

ISBN: 9780134601823

Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan

Publisher: Pearson,

See similar textbooks

Concept explainers

Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience …

Question

100%

Chapter 25, Problem 8P

To determine

The diameter and thickness of the Milky Way galaxy in meters, kilometers, and in miles if the galaxy seems like a disk, when viewed from the side, having 100,000 light-years diameter and 1000 light-years thickness.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Chapter 25, Problem 7P

Chapter 25, Problem 9P

Students have asked these similar questions

For number 11 please sketch the harmonic on graphing paper.

# E 94 20 13. Time a) What is the frequency of the above wave? b) What is the period? c) Highlight the second cycle d) Sketch the sine wave of the second harmonic of this wave % 7 & 5 6 7 8 * ∞ Y U 9 0 0 P 150

Show work using graphing paper

Chapter 25 Solutions

College Physics

Ch. 25 - Review Question 25.1 What is the difference...Ch. 25 - Review Question 25.2 What needs to happen to...Ch. 25 - Review Question 25.3 How are GPS and radar...Ch. 25 - Review Question 25.4 If the frequency of one...Ch. 25 - Review Question 25.5 Electromagnetic waves are...Ch. 25 - Review Question 25.6 Explain why polarizing...Ch. 25 - Multiple Choice Questions The fact that light can...Ch. 25 - Multiple Choice Questions What does a beam of...Ch. 25 - Multiple Choice Questions What does Faraday's law...Ch. 25 - Multiple Choice Questions 4. Maxwell's hypothesis...

Knowledge Booster

Learn more about

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.

The diameter and thickness of the Milky Way galaxy in meters, kilometers, and in miles if the galaxy seems like a disk, when viewed from the side, having 100 , 000 light-years diameter and 1000 light-years thickness.

Solution Summary: The author calculates the diameter and thickness of the Milky Way galaxy in meters, kilometers, and miles.

Concept explainers

The diameter and thickness of the Milky Way galaxy in meters, kilometers, and in miles if the galaxy seems like a disk, when viewed from the side, having 100,000 light-years diameter and 1000 light-years thickness.

Want to see the full answer?

Chapter 25 Solutions