The apparent angular shift of any object across a distant ...

[Frost2351]

The apparent angular shift of any object across a distant background, when viewed from two different places, is called ________ shift.
 
  Fill in the blank(s) with correct word

Question 2

What would happen in the Sun if the temperature of the core decreased?
 
  A) The fusion rate decreases, then the core shrinks and heats.
  B) The fusion rate increases, then the core shrinks and heats.
  C) The fusion rate decreases, then the core expands and heats.
  D) The fusion rate increases, then the core expands and cools.

[nathang24]

Answer to Question 1

parallax or parallactic

Answer to Question 2

A

[Frost2351]

Excellent

[ttt030911]

TYSM