The Kelvin temperature scale is used in astronomy because
A) at 0 K an object has absolutely zero energy.
B) water freezes at 0 K.
C) water boils at 100 K.
D) hydrogen freezes at 0 K.

Question

Quizplus · Accepted Answer

The Kelvin temperature scale starts at Absolute Zero, which is the temperature at which an object has absolutely zero energy. This makes it a useful scale for measuring the temperature of objects in space, where temperatures can be extremely low. Option B and C refer to the Celsius temperature scale, while option D is not a correct statement.

The Kelvin Temperature Scale Is Used in Astronomy Because