In general, how does the size and location of a star's habitable ...

[jerry coleman]

In general, how does the size and location of a star's habitable zone depend on the star's mass?
 
  A) The smaller (less massive) the star, the larger and the closer-in the habitable zone.
  B) The smaller (less massive) the star, the smaller and the closer-in the habitable zone.
  C) The smaller (less massive) the star, the larger and the farther-out the habitable zone.
  D) The habitable zone is always about the same size, but its location moves inward for smaller stars.

Question 2

Hubble divided the spiral galaxies up in what six subtypes?
 
  What will be an ideal response?

[whitcassie]

Answer to Question 1

B

Answer to Question 2

Sa, Sb, Sc, and SBa, SBb, and SBc

[jerry coleman]

Great answer, keep it coming

[amit]

Wow, this really help