Which of the following is smallest?
A) size of a typical planet
B) 1 light-second
C) 1 AU
D) size of a typical star
Answer: A
Which of the following is smallest?
A) size of a typical planet
B) 1 light-second
C) 1 AU
D) size of a typical star
A) size of a typical planet
B) 1 light-second
C) 1 AU
D) size of a typical star