Loose Leaf For Explorations: Introduction To Astronomy
9th Edition
ISBN: 9781260432145
Author: Thomas T Arny, Stephen E Schneider Professor
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 13, Problem 6TQ
To determine
The change in Doppler shift when same planet oriented edge-on, face-on or somewhere in between.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Earth is about 150 million kilometers from the Sun (1 Astronomical Unit, or AU), and the apparent brightness of the Sun in our sky is about 1300 watts/m^2.
Using these two facts and the inverse square law for light, determine the apparent brightness that we would measure for the Sun if we were located at the following positions.
a) At the orbit of Venus (67 million km from the Sun).
b) At the orbit of Jupiter (780 million km from the Sun).
c) At the mean distance of Pluto (40 Astronomical Units).
Earth is about 150 million kilometers from the Sun (1 Astronomical Unit, or AU), and the apparent brightness of the Sun in our sky is about 1300 watts/m^2.
Using these two facts and the inverse square law for light, determine the apparent brightness that we would measure for the Sun if we were located at the following positions.
b) At the orbit of Jupiter (780 million km from the Sun).
Earth is about 150 million kilometers from the Sun (1 Astronomical Unit, or AU), and the apparent brightness of the Sun in our sky is about 1300 watts/m2. Using these two facts and the inverse square law for light, determine the apparent brightness that we would measure for the Sun if we were located at the following positions.
a) At the orbit of Jupiter (780 million km from the Sun).
Chapter 13 Solutions
Loose Leaf For Explorations: Introduction To Astronomy
Ch. 13 - Prob. 1QFRCh. 13 - Prob. 2QFRCh. 13 - Prob. 3QFRCh. 13 - Prob. 4QFRCh. 13 - Prob. 5QFRCh. 13 - Prob. 6QFRCh. 13 - Prob. 7QFRCh. 13 - Prob. 8QFRCh. 13 - Prob. 9QFRCh. 13 - Prob. 10QFR
Ch. 13 - Prob. 11QFRCh. 13 - Prob. 12QFRCh. 13 - Prob. 13QFRCh. 13 - Prob. 14QFRCh. 13 - Prob. 15QFRCh. 13 - Prob. 16QFRCh. 13 - Prob. 17QFRCh. 13 - Prob. 18QFRCh. 13 - Prob. 19QFRCh. 13 - Prob. 20QFRCh. 13 - Prob. 1TQCh. 13 - Would it be easier to measure a star's parallax...Ch. 13 - Prob. 3TQCh. 13 - Prob. 4TQCh. 13 - Prob. 5TQCh. 13 - Prob. 6TQCh. 13 - Prob. 7TQCh. 13 - Prob. 8TQCh. 13 - Prob. 9TQCh. 13 - Prob. 10TQCh. 13 - Prob. 1PCh. 13 - Prob. 2PCh. 13 - Prob. 3PCh. 13 - Prob. 5PCh. 13 - Prob. 6PCh. 13 - Prob. 7PCh. 13 - Prob. 8PCh. 13 - Prob. 9PCh. 13 - Prob. 10PCh. 13 - Prob. 11PCh. 13 - Prob. 12PCh. 13 - Prob. 13PCh. 13 - Prob. 14PCh. 13 - Prob. 15PCh. 13 - Prob. 16PCh. 13 - Prob. 17PCh. 13 - Prob. 1TYCh. 13 - Prob. 2TYCh. 13 - Prob. 3TYCh. 13 - Prob. 4TYCh. 13 - Prob. 5TYCh. 13 - Prob. 6TYCh. 13 - Prob. 7TYCh. 13 - Prob. 8TYCh. 13 - Prob. 9TY
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
- velocity curve for a double line spectroscopic binary is shown in the sketch. The system is viewed edge-on, i.e., with an inclination angle of i = 90°, so that the maximum possible Doppler shifts for this system are observed. 400 300 So = U, Ani 200 t0 = v Ain i 100 -100 -200 -300 400 O 1 2 3 1 s 1 8: 10 Time (days) Find the orbital period of this binary in days. Doppler Velocity (krn/sec)arrow_forwardThe best parallaxes obtained with Hipparcos have an accuracy of 0.001 arcsec. If you want to measure the distance to a star with an accuracy of 10%, its parallax must be 10 times larger than the typical error. How far away can you obtain a distance that is accurate to 10% with Hipparcos data? The disk of our Galaxy is 100,000 light-years in diameter. What fraction of the diameter of the Galaxy’s disk is the distance for which we can measure accurate parallaxes?arrow_forwardAppendix J lists the stars that appear brightest in our sky. Are most of these hotter or cooler than the Sun? Can you suggest a reason for the difference between this answer and the answer to the previous question? (Hint: Look at the luminosities.) Is there any tendency for a correlation between temperature and luminosity? Are there exceptions to the correlation?arrow_forward
- In the parallax method of determining stellar distances, the angle to a star is measured while the earth is on one side of the sun and then again six months later, as in the diagram below. Assume the earth-sun distance is 1 Astronomical Unit. The parallax angle of Alpha Centauri is 0= 2.1 x 10-4 ° . Find the distance from the sun to a Centauri in light years. Assume a circular orbit for the Earth. a Centauri Earth (June) Earth (December) Sunarrow_forwardLet us imagine that the spectrum of a star is collected and we find the absorption line of Hydrogen-Alpha (the deepest absorption line of hydrogen in the visible part of the electromagnetic spectrum) to be observed at 656.5 nm instead of 656.3 nm as measured in a lab here on Earth. What is the velocity of this star in m/s? (Hint: speed of light is 3*10^8 m/s; leave the units off of your answer) Question 4 of 7 A Moving to another question will save this response. 1 6:59 & backsarrow_forwardLet us imagine that the spectrum of a star is collected and we find the absorption line of Hydrogen-Alpha (the deepest absorption line of hydrogen in the visible part of the electromagnetic spectrum) to be observed at 656.5 nm instead of 656.3 nm as measured in a lab here on Earth. What is the velocity of this star in m/s? (Hint: speed of light is 3*10^8 m/s; leave the units off of your answer)arrow_forward
- Earth is about 150 million kilometers from the Sun (1 Astronomical Unit, or AU), and the apparent brightness of the Sun in our sky is about 1300 watts/m2. Using these two facts and the inverse square law for light, determine the apparent brightness that we would measure for the Sun if we were located at the following positions. a) At the orbit of Venus (67 million km from the Sun)arrow_forwardTwo students in a science club argue with each other regarding the concept of Redshift. The statements made by the students are given as follows: Student 1: When the absorption maxima shift towards longer wavelengths then it is called the Redshift. Student 2: The decrease in wavelength due to the Doppler effect is known as the Redshift. Which of the above statement/s is/are correct? (a) Both student 1 and student 2 are true. (b) Only student 1 is true. (c) Only student 2 is true. (d) Both student 1 and student 2 are false.arrow_forwardLet’s say you’re looking for extrasolar planets. You observe a star that has a spectral shift in the line that is supposed to be at at 656.28011 nm – this star shows this line at 656.28005 nm. What is the radial velocity of star (in m/s) and in what direction in relation to you? a) 27.4 m/s, towards b) 27.4 km/s, away c) -27.4 m/s, toward d) -27.4 km/s, awayarrow_forward
- At the distance of Earth, 1AU, the Sun's apparent brightness in the sky is about 1250 W/m 2 . What is the brightness that we would measure from a distance of 0.5 AU? What is the brightness that we would measure from a distance of 2.0 AU?arrow_forwardA certain line in the spectrum of the light from a nebula has a wavelength of 656 nm instead of the 434 nm measured in the laboratory. If the nebula is movingr radially what is its speed relative to the Earth?arrow_forwardThe nearest star to our solar system is 4.29 light years away. How much is thisdistance in terms of parsecs? How much parallax would this star (named Alpha Centauri) show when viewed from two locations of the Earth six months apart in its orbit around the Sun ?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- AstronomyPhysicsISBN:9781938168284Author:Andrew Fraknoi; David Morrison; Sidney C. WolffPublisher:OpenStaxStars and Galaxies (MindTap Course List)PhysicsISBN:9781337399944Author:Michael A. SeedsPublisher:Cengage Learning
Astronomy
Physics
ISBN:9781938168284
Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher:OpenStax
Stars and Galaxies (MindTap Course List)
Physics
ISBN:9781337399944
Author:Michael A. Seeds
Publisher:Cengage Learning