Inquiry into Physics

8th Edition
ISBN: 9781337515863
Textbook Problem

. Spectral measurements of a distant galaxy show it to have a redshift z = 0.2. If the wavelength of an ionized calcium line emitted by the galaxy is 393.3 nm, what is the wavelength of this line as detected on Earth?

To determine

The observed wavelength of the line as detected on earth.


Given info:

Wavelength emitted(λe)=393.3 nm


Formula used:

Redshift (z) is given by,



Substituting the given values, we get


Still sussing out bartleby?

Check out a sample textbook solution.

See a sample solution

The Solution to Your Study Problems

Bartleby provides explanations to thousands of textbook problems written by our experts, many with advanced degrees!

Get Started

Additional Science Solutions

Find more solutions based on key concepts

Show solutions add

Saturation refers to the ability of a fat to penetrate a barrier, such as paper. whether or not a fatty acid ch...

Nutrition: Concepts and Controversies - Standalone book (MindTap Course List)

Why does helium fusion require a higher temperature than hydrogen fusion?

Horizons: Exploring the Universe (MindTap Course List)