•Question 4 (1 point) What do we see in
the Orion nebula
that indicates it is a region of new star formation?
a.Hot O stars
•b.Herbig-Haro Objects
•c.Dust Disks around stars
•d.All
of the Above
•e.None of the Above
•Question 5 (1 point) The lifetime of high
temperature main
sequence O and B stars is _____ the lifetime of low temperature K and M stars. (Fill in the
blank.)
•a.shorter than
•b.longer than
•c.about the same as