What’s the power per square meter of an object with a peak temperature of `T`K?   Input Instructions:  Round your answer to the nearest whole number using standard rounding conventions.  Use standard comma placements when necessary.  You will discuss units in the next question.

Select the TRUE statements below.  Select all that apply. 

As we will learn in more depth in Unit 2, stars are born in collapsing clouds of gas.  Using your knowledge from Unit 1, as the gas cloud contracts, the nebula

Match the following regions of the electromagnetic spectrum with the best description.  Each option will only be used exactly once. Partial credit is possible.

True/False:  If you were to teleport directly to the surface of Pluto, your mass would change. 

Velocity and time are

Radio astronomy differs in that

All but one of the following is a common target in drug prevention programs:

What are the standard units for the quantity calculated in the previous question as discussed in the lecture recordings?

The observable universe is