Extrasolar planetary systems are similar to our solar system in ...

[maegan_martin]

Extrasolar planetary systems are similar to our solar system in all of the following ways, EXCEPT:
 
  A) that planetary orbits are relatively coplanar.
  B) for the presence of hot Jupiters in some systems.
  C) that planets orbit in the same direction that their parent star rotates.
  D) that the systems contain interplanetary debris, such as comets or asteroids.
  E) None of these are dissimilar to our solar system.

Question 2

What are the two most important intrinsic properties used to classify stars?
 
  A) Mass and age
  B) Luminosity and surface temperature
  C) Distance and luminosity
  D) Distance and surface temperature
  E) Distance and color

[yuyiding]

Answer to Question 1

B

Answer to Question 2

B

[maegan_martin]

Excellent

[ricroger]

Gracias!