Some giant elliptical galaxies are found to have disks of gas and ...

[arivle123]

Some giant elliptical galaxies are found to have disks of gas and dust with star forming regions, and are probably the result of ________.
 
  Fill in the blank(s) with correct word

Question 2

How do high-mass stars make it more difficult for a molecular cloud to form more stars?
 
  A) Strong winds push gas away.
  B) Ultraviolet photons ionize the gas.
  C) Ultraviolet photons heat the gas.
  D) Radiation pressure pushes ionized gas away.
  E) All of the above

[ebe]

Answer to Question 1

mergers

Answer to Question 2

E

[arivle123]

Thanks for the timely response, appreciate it

[ricroger]

Excellent