Understanding Our Universe
3rd Edition
ISBN: 9780393614428
Author: PALEN, Stacy, Kay, Laura, Blumenthal, George (george Ray)
Publisher: W.w. Norton & Company,
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 1, Problem 41QAP
To determine
The diameter of the Milky Way Galaxy.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A light-year (ly) is the distance light travels in one year (at speed of 2.998 ×× 108 m/sm/s ). An astronomical unit (AU) is the average distance from the Sun to Earth, 1.50 ×× 108 km. 1 year = 3.156 ×× 107 s.
How many meters are there in 1.70 ly?
Express your answer using three significant figures. Express in scientific notation!
1.70 ly = _________________m
How many AU are there in 1.70 ly light-year?
Express your answer using three significant figures. Express in scientific notation!
1.70 ly = _________________AU
The age of the universe is thought to be about 14 billion years. Assuming two significant figures, write this in powers of 10 in:
(a) years,
(b) seconds.
A light-year (ly) is the distance light travels in one year (at speed of 2.998 ×× 108 m/sm/s ). An astronomical unit (AU) is the average distance from the Sun to Earth, 1.50 ×× 108 kmkm.1 yearyear = 3.156 ×× 107 ss.
a. How many meters are there in 6.50 lyly ?
Express your answer using three significant figures.
b. How many AUAU are there in 6.50 lyly light-year?
Express your answer using three significant figures.
Chapter 1 Solutions
Understanding Our Universe
Ch. 1.1 - Prob. 1.1CYUCh. 1.2 - Prob. 1.2CYUCh. 1.3 - Prob. 1.3CYUCh. 1 - Prob. 1QAPCh. 1 - Prob. 2QAPCh. 1 - Prob. 3QAPCh. 1 - Prob. 4QAPCh. 1 - Prob. 5QAPCh. 1 - Prob. 6QAPCh. 1 - Prob. 7QAP
Ch. 1 - Prob. 8QAPCh. 1 - Prob. 9QAPCh. 1 - Prob. 10QAPCh. 1 - Prob. 11QAPCh. 1 - Prob. 12QAPCh. 1 - Prob. 13QAPCh. 1 - Prob. 14QAPCh. 1 - Prob. 15QAPCh. 1 - Prob. 16QAPCh. 1 - Prob. 17QAPCh. 1 - Prob. 18QAPCh. 1 - Prob. 19QAPCh. 1 - Prob. 20QAPCh. 1 - Prob. 21QAPCh. 1 - Prob. 22QAPCh. 1 - Prob. 23QAPCh. 1 - Prob. 24QAPCh. 1 - Prob. 25QAPCh. 1 - Prob. 26QAPCh. 1 - Prob. 27QAPCh. 1 - Prob. 28QAPCh. 1 - Prob. 29QAPCh. 1 - Prob. 30QAPCh. 1 - Prob. 31QAPCh. 1 - Prob. 32QAPCh. 1 - Prob. 34QAPCh. 1 - Prob. 35QAPCh. 1 - Prob. 36QAPCh. 1 - Prob. 37QAPCh. 1 - Prob. 38QAPCh. 1 - Prob. 39QAPCh. 1 - Prob. 40QAPCh. 1 - Prob. 41QAPCh. 1 - Prob. 42QAPCh. 1 - Prob. 43QAPCh. 1 - Prob. 44QAPCh. 1 - Prob. 45QAP
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.Similar questions
- • Radio waves travel at the speed of light, approximately 186,000miles per second. How much time does it take for a radio messageto travel from Earth to the Moon and back? (See the inside backcover for the necessary data.)arrow_forward1.34 light-years to miles (a light-year is an astronomical measure of the distance traveled by light in a year, or 365 days; the speed of light is 2.998 × 10^8 m ;1 km = 0.6125 mi) Part 2 of 3 mi Be sure your answer has the correct number of significant digits. 30.0 yd to centimeters (1 in = 2.54 cm) 2743.2 cm Part 3 of 3 Be sure your answer has the correct number of significant digits. 3.4×1010 cm S to ft X S (1 in = 2.54 cm)arrow_forwardIs it possible to estimate data while looking at the larger picture? Is it possible for a student to travel the globe without becoming broke?arrow_forward
- A ball has reached a height of 5.7 meters.The time it took to reach the height was 1 minute 10 seconds (66 seconds) if i divide the distance in intervals of 50 centimeters. What time would i get every 50 centimeters until reaching 66 seconds ?arrow_forwardYou and your friend both start your trips in Chicago. Driving nonstop, you reach Los Angeles — a distance of 2,018 kms — in 1.29 days, and your friend, also driving nonstop, reaches Miami — a distance of 1,380 miles — in 0.89 days. Who drove faster in m/s?arrow_forwardThe speed of light is 2.9979×108 a.Convert this speed to miles per second. Express your answer using three significant figures. b. Convert this speed to inches per nanosecond. Express your answer using three significant figures. c. Convert this speed to kilometers per hour. Express your answer using three significant figures. please answers in 3 significant figuesarrow_forward
- light travels at a rate of 1.86x10^5 miles per second. how far does light travel in one minute (6.0x10^1 seconds)?arrow_forwardHow many miles does light travel in one hour? The speed of light is 1.86x10^5 miles per second.arrow_forwardUsing a single dimensional equation, estimate the number of steps it would take you, walking at your normal stride, to walk from the Earth to Alpha Centauri, a distance of 4.3 light-years. The speed of light is 1:86 x 105A miles/s.arrow_forward
- given that 4.82803 kilometers is approximately equal to 3 miles a) express the kilometer to mile ratio as a unit ratio. Round to 5 decimal places b) Determine how many kilometers are in 60 mi. Round to 5 decimalsarrow_forwardAnnual sales of bottled water in a certain country in the period 2007–2014 could be approximated by R(t) = 0.08t2 − 0.26t + 8.8 billion gallons (0 ≤ t ≤ 7), where t is time in years since 2007. According to the model, were annual sales of bottled water accelerating or decelerating in 2011? acceleratingdecelerating How fast? billion gal/yr2arrow_forwardWhich of the following quantities has the greatest order of magnitude? (1)the number of stars in the Milky Way Galaxy (2 ✕ 1011) (2)the number of cells in an average human body (4 ✕ 1013) (3)the number of atoms in one gram of pure gold (1.40 ✕ 1015)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
General Relativity: The Curvature of Spacetime; Author: Professor Dave Explains;https://www.youtube.com/watch?v=R7V3koyL7Mc;License: Standard YouTube License, CC-BY