The fact that many radio lobes emit more intensely from the side ...

[savannahhooper]

The fact that many radio lobes emit more intensely from the side away from the galaxy suggests that
 
  a. they are formed by material falling into the galaxy.
  b. they are powered by magnetic fields.
  c. they are excited by radiation from nearby galaxies.
  d. they are powered by the rapid rotation of the galaxy.
  e. they are created by jets from the galaxy emitting where the material is halted.

Question 2

The _________ stars are giant stars fusing helium in their cores and then in their shells.
 
  a. turnoff-point
  b. main-sequence
  c. turnon-point
  d. hydrogen-flash
  e. horizontal-branch

[DylanD1323]

Answer to Question 1

e

Answer to Question 2

e

[savannahhooper]

Thanks

[DylanD1323]

Welcome