Recent Posts • Latest Topics • Unanswered Questions

We are measuring the spectra of two hydrogen gas clouds. The laboratory frame wa

killian

wrote...

Go to Answer

Silver Member

Posts: 6024

Rep:

10 years ago

We are measuring the spectra of two hydrogen gas clouds. The laboratory frame wa

We are measuring the spectra of two hydrogen gas clouds. The laboratory frame wavelength of one hydrogen line is 656.2 nm. Cloud A's emission line wavelength is 660.1 nm and Cloud B's emission line wavelength is 670.1 nm. What can we conclude about these clouds?
A) They are both approaching us, and Cloud B is approaching faster than Cloud A.
B) They are both receding from us, and Cloud B is receding faster than Cloud A.
C) They are both approaching us, and Cloud A is approaching faster than Cloud B.
D) They are both receding from us, and Cloud A is receding faster than Cloud B.

Read 381 times

2 Replies

Report

Replies

Answer accepted by topic starter

padre

wrote...

Staff Member

Educator

Related Topics

killian Author

wrote...

Silver Member

10 years ago

Thanks sir this is for my astronomy

Report

New Topic

Quick Reply

Explore

Post your homework questions and get free online help from our incredible volunteers

792 People Browsing

Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook

Live Chat

AJAX Chat © blueimp.net Integrated with SMF

Related Images

472

202

213

Your Opinion

Previous poll results: Who will win the 2024 president election?

Strange Ingredients Lurking in Doritos Chips

Courses by Biology Forums

The Toxic Skin and Fungi Defense

It's sore throat season, why does my mucus have red spots?

Bonobos, Chimpanzees, and the 98% DNA Link

Ready to ask a question on Biology Forums? Try it out

Join Our Community

Biology Forums - Study Force is a free online homework help service catered towards college and high school students. Get homework help and answers to your toughest questions in biology, chemistry, physics, mathematics, engineering, accounting, business, humanities, and more. Master your assignments quickly with thousands of step-by-step solutions to countless textbook questions asked and answered by our members. If we don't have your question, don't worry. You can ask any homework question and get expert homework help in as little as two hours.

Our extensive online study community is made up of college and high school students, teachers, professors, parents and subject enthusiasts who contribute to our vast collection of study resources: textbook solutions, study guides, practice tests, practice problems, lecture notes, equation sheets and more. With our help, your homework will never be the same!

Join for free today

How is Biology Forums - Study Force different than tutoring?

Home Search Q & A Board Gallery Resource Library Blog Dictionary Chat	Quick Links Start a Topic Latest Topics Unanswered Questions Courses Study Tools Browse by Textbook	Social Facebook YouTube Community Stats Who's Online Trending Staff	Help About Us Take the Tour Study Tips Posting Guidelines Terms and Policies Contact Us
Biology Forums - Study Force © 2010-2024 \| Powered by SMF \| SMF © 2015, Simple Machines \| Sitemap Biology-Forums.com is not affiliated with any publisher. Book covers, title and author names appear for reference only.