The evidence - for example, from the redshift, normally attributed to a Doppler effect - is that indeed, the Universe is expanding.
A 'nova'.
A hot air balloon is a machine that allows people to fly. It is comprised of a gigantic balloon attached to a basket where people stand. Under the balloon is a gas burner that lets out a large flame. The flame fills the balloon with heat, expanding it and enabling it to fly.
universe is expanding
Cooler and Dimmer
spandex
pure air
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False
Air is going into the stomach and is expanding during ventilation .
thunder
As you get higher the air is thinning not expanding.
The evidence - for example, from the redshift, normally attributed to a Doppler effect - is that indeed, the Universe is expanding.
The volume would increase as the pressure of the expanding air increases.
Rising, expanding and cooling.
Wind is created by the sun heating the air and the air expanding.
lightning