When scientists first worked this out over the first half of the 20th Century, the famous astronomer Harlow Shapley commented, "We are brothers of the boulders, cousins of the clouds."
Quando os cientistas perceberam isto, na primeira metade do século XX, o famoso astrónomo  Harlow Shapley comentou: "Somos irmãos das rochas,  primos das nuvens."