and so too does the pressure of air. Many different factors affect the density of air. Most measurably, as altitude increases, air becomes less dense, decreasing atmospheric pressure. Standard ...

Have you ever wondered why pilots always seem to announce that magical phrase — "Ladies and gentlemen, we've reached our cruising altitude ... the air gets thinner. This reduced air density ...

As a plane or jet climbs in altitude ... with the density equation before. Notably, in one experiment where we dropped the pressure around marshmallows. This causes the air bubbles inside them ...