Top definition whale unknown noun; a wealthy patron to a casino, gets paid special attention by a casino host so the patron will feel comfortable to gamble more money.
The age of Earth is approximately one-third of the age of the universe. An immense amount of geological change has occurred in that timespan, accompanied by biological change. Earth formed around 4.54 billion years ago by accretion from the solar nebula. Volcanic outgassing probably created the primordial atmosphere and then the ocean; but the atmosphere contained almost no oxygen and so would have been toxic to most modern life including humans.
The Earth itself is 4.543 billion years old, while the moon itself is 4.53 billion years old. Because the earth itself was formed 4.6 billion years ago, which actually occurred since after the sun itself shone into life, and the moon itself was formed 4.5 billion years ago since after a Hypothetical planet (Which is Theia) struck the earth itself. Was this helpful?