To an Observer Traveling Outward from Earth's Surface All the Way

To an observer traveling outward from Earth's surface all the way out into space,the temperature of the atmosphere ____________.

A) uniformly decreases due to atmospheric thinning
B) uniformly increases due to increasing proximity to the Sun
C) remains relatively constant until the very edge of the atmosphere,where the observer would experience the very cold vacuum that is interplanetary space
D) decreases,stabilizes,increases,stabilizes,decreases,stabilizes,and,finally,increases until the edge of the atmosphere is reached