Distance to the sun.
Planet Earth.
150000000 x 50000 = 7500000000000
4666.6667
150000000 x 1000000 = 150,000,000,000,000
The speed of light (light is an electromagnetic wave) is 299,792,458 metres per second - which is 1,079,252,849km/hour. So; 150000000 / 1079252849 = 0.13899 hours = 8 minutes and 20 seconds.
An astronomical unit (AU) is a unit of measurement used in astronomy to describe distances within the solar system. One AU is roughly equal to the average distance from the Earth to the Sun, which is about 150,000,000 km.
780,000,000
1,500,000
alveoli
5400
150,000,000,000 meters.