Chapter 11: Overview Flashcards
1
Q
What is the density of the interstellar matter?
A
Very low approximately a trillion trillion times less dense than matter in either stars or planets far thinner than the best vacuum attainable on earth
2
Q
How much mass is in the “voids” between the stars?
A
As much as there is in the stars themselves
3
Q
What happens in the region of interstellar space?
A
- New stars are born
2. Old stars expel their matter when they die