re: Colder places
The sun and comets spread hydrogen everywhere.
In order to be detected, it must have accumulated and the chill where shadow is permanent, allows this.
Space/Science » in reply to If so, then what does it mean? Why so much hydrogen at the poles, and so little elsewhere?
The sun and comets spread hydrogen everywhere.
In order to be detected, it must have accumulated and the chill where shadow is permanent, allows this.