It's simply dust and ice particles being heated - by friction, as the meteorite travels through the Earth's atmosphere.
both
becasue it encounters friction from the atmosphere
The appearance of photosynthetic organisms
Adaptive Optics/AO.
Atmospheric pressure is caused by the force of the air above the earths surface. It is measured by the point in which the air meets the atmosphere.
global warming
Global warming.
The streak of light across the sky caused when a space rock falls through the atmosphere and is heated to incandescence is a "meteor".
Global warming.
how do geologists think earths atmosphere is formed
The particles outside the Earths atmosphere are called, meteoroids.
The only difference of the twinkling caused by the distortion of light due to the earths atmosphere which is not present in a vacuum.