If 75% of the atoms are in the higher-energy parallel state, how many 21 cm photons are emitted per second by the cloud

Jpincheira asked Sep 7, 2023

215,581 views

10 votes

Jpincheira asked Sep 7, 2023

3.3k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

26 votes

The correct answer to this question is the cm phontons would be 115%

Dave Rolsky answered Sep 11, 2023

2.6k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers