question: Chris was looking at some stars through a very large telescope. He noticed two stars. The first was a dull blue. The second was a darker blue. Compared to the duller star, the star that is bluer would be
choices.text: colder hotter?
choices.label: A B
para: But, in stars, the bluer the star, the hotter it is, and the redder it is, the older and colder it is.