Question

Which of the following is evidence that the evolution of disk galaxies can be greatly affected by their large scale environment?
Comparison of emissions from elliptical galaxies in x-ray and optical bands
Hydrogen gas deficiency in spiral galaxies near cluster cores
The abundance of irregular galaxies across clusters
We see less cluster evolution at larger redshifts
the mad man
No, no no. Listen to the course work and learn.
A
Hydrogen gas deficiency in spiral galaxies near cluster cores!
B
The abundance of irregular galaxies across clusters
C
We see less cluster evolution at larger redshifts
D
Comparison of emissions from elliptical galaxies in x-ray and optical bands
E
The abundance of irregular galaxies across clusters
F
The answer is: Comparison of emissions from elliptical galaxies in x-ray and optical bands!