Suppose a planet is discovered by the Doppler technique and is ...

[schs14]

Suppose a planet is discovered by the Doppler technique and is then discovered to have transits. In that case, we can determine all the following about the planet except
 
  A) its precise mass.
  B) its density.
  C) its physical size (radius).
  D) its rotation period.
  E) its orbital period.

Question 2

White dwarfs are so called because
 
  A) they are both very hot and very small.
  B) they are the end-products of small, low-mass stars.
  C) they are the opposite of black holes.
  D) it amplifies the contrast with red giants.
  E) they are supported by electron degeneracy pressure.

[sailorcrescent]

Answer to Question 1

D

Answer to Question 2

A

[schs14]

TYSM

[mjenn52]

Gracias!