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8 answers

No person knows. We humans are made up of materials that came originally from outer space. I've heard a physicist say that we are "made up of star dust". How old is stardust?

2007-03-28 07:42:55 · answer #1 · answered by Annie D 6 · 0 0

All I know is that the Earth might have been around for 4.5 billion years... Or that might be the sun. But anyways, I think SOMETHING in the universe is 4.5 billion years old.

The sky is probably as old as Earth, because when God made the Earth he needed something to hold the Earth with. So mainly, everything on Earth probably is as old as Earth.

But the land on Earth (all the continents) weren't shaped like they are now, (referring to Plate tectonic theory), because Alfred Wegner thought the continents were one thing, one land called Pangaea. Later the plates of the Earth separated Pangaea and turned them into the land we're sitting on right now.

Because of Pangaea, the seas might have been changed, so there is an answer to your question, only the answer might be vague... At least vague to me :P.

2007-03-28 03:22:25 · answer #2 · answered by Anonymous · 0 0

The earth seems to have formed about 4.5 billion years ago. Getting a stable atmosphere and seas probably took millions more.

2007-03-28 00:06:44 · answer #3 · answered by Gene 7 · 0 0

Since they came into existing. Everything in the start is still here only that in underwent different physical and chemical changes because the Earth is a closed system
.

2007-03-28 01:57:25 · answer #4 · answered by hilder 3 · 0 0

The circumstances that produced our solar system and us started with the birth of a massive star about 10 billion years ago.

2007-03-28 01:58:57 · answer #5 · answered by Billy Butthead 7 · 0 0

About 4.5 to 5 billion years.

The seas came a few million years later, when things had cooled down.

2007-03-28 00:06:37 · answer #6 · answered by Anonymous · 1 0

Everything, like the entire universe, began about 13.7-billion years ago. Our solar system, including Earth, began about 4.5-billion years ago.

2007-03-28 00:29:14 · answer #7 · answered by Chug-a-Lug 7 · 0 1

nobody knows the exact information &let it be secret

2007-03-28 00:07:14 · answer #8 · answered by raj 1 · 0 0

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