The discovery of Eris A) was surprising, since we thought we ...

[rmenurse]

The discovery of Eris
 
  A) was surprising, since we thought we knew about all large objects in the solar system.
  B) was not surprising, because other Kuiper belt objects approaching the size of Pluto had already been discovered.
  C) was surprising, due to its backwards orbit around the Sun.
  D) was not surprising, because the existence of a massive Planet X had been predicted nearly a century ago.

Question 2

In a spectroscopic binary, the star whose lines shift the most weighs the most.
 
  Indicate whether the statement is true or false

[deja]

Answer to Question 1

B

Answer to Question 2

FALSE

[rmenurse]

Both answers were spot on, thank you once again

[deja]

Great! Please up vote