Each molecule consists of a long non-polar covalent hydrocarbon ‘tail’ and a polar, ionic ‘head’ where the charge is. This structure explains the cleansing action of soap as the non-polar ...
The SMA allows us to accurately measure the velocities of the molecular gas in the nebula, so we can see what's moving toward or away from us." Astronomers have theorized that the nebula is ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback