Of the temperature ranges below, which range represents the smallest range of actual temperature?
A) 50-100 Kelvin
B) 50-100 Celsius
C) 50-100 Fahrenheit
D) They all represent the same change in temperature.
Question 2
Which of the following paraphrases Hubble's Law?
A) The faster the galaxy spins, the more massive and luminous it is.
B) The greater the distance to a galaxy, the greater its redshift.
C) The greater the distance to a galaxy, the fainter it is.
D) The more distant a galaxy is, the younger it appears.
E) The older the galaxy appears to us, the more luminous it is.