Originally Posted by biffer
yep you're torkin bollox, the air is colder and not ambient or am i still torkin bollox
Ambient simply means the surrounding "normal" environment. Ambient on a hot day may be 90 degrees F; on a cold day, 30 degrees F.
Ambient temp in the space example is kind of moot, as there's no gas to measure a temp from. The temps recorded by astronauts are usually read off other surfaces.