The Time Before Land

The Universe is 13.7 billion years old, give or take.

Earth, and the Solar System, are 4.6 billion years old, pretty much.

That means our planet has been around for a little over a third of the history of the Universe.

The Sun is a Population I star: one with high metal content, formed from matter cast off by exploding Type III (oldest) and Type II (second oldest) stars.

The Sun is about half way through its life as a star, and will become a planetary nebula in about 6.5 billion years, and a white dwarf in about 9.5 billion years, more or less. At the end of that time, the Sun will have lasted well over half the age of the Universe.

The oldest rocks in the scene above were deposited in the Pennsylvanian epoch, which lasted from .325 to .299 billion years ago.

Researching all the above (on Wikipedia, of course) followed the utterance of the headline above by Yours Truly to The Kid over breakfast at the excellent Sarabeth’s Kitchen, on Madison near 92nd.

Sarabeth’s has been around for more than a third of the age of myself, and more than twice the age of The Kid.

Better hurry over.

[Later...] Two bonus quotes, courtesy of The Kid:

  Whether they find a life there or not, I think Jupiter should be called an enemy planet.Jack Handey
  Oh hai. In teh beginnin Ceiling Cat maded the skiez An da Urfs, but he did not eated it.Genesis I, LOLCat Bible.

1 comment

  1. Jean-Francois Noel’s avatar

    Got to love Sarabeth’s. I fell for this place 2 years ago while visiting NY.

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