The moon, for example, speeds along in an orbit around the earth at an average of 2,300 miles [3,700 km] per hour, completing its trip of shortly less than a month with amazing predictability.
Piemēram, Mēness traucas orbītā ap Zemi ar vidējo ātrumu 3700 kilometri stundā un nepilna mēneša laikā veic noslēgtu apli, turklāt to visu var aprēķināt ar pārsteidzošu precizitāti.