jugfingers
Smash Champion
The density of the gas cloud is incredibly small by terrestrial standards -- the cloud contains roughly one hydrogen atom per cubic centimeter
Pananides, Nicholas A. & Thomas Arny. Introductory to Astronomy Second Edition. 1979: 293.
take notes, spacing enthusiasts
Pananides, Nicholas A. & Thomas Arny. Introductory to Astronomy Second Edition. 1979: 293.
take notes, spacing enthusiasts