With so many conflicting answers,why are you persuaded to your belief.
2006-07-11 22:04:54 · 10 answers · asked by ? 4 in Science & Mathematics ➔ Earth Sciences & Geology
Radiometric dating gives us an age of about 4.5 billion years (4500 000 0000 years). That's about one third of the age of the Universe which is dated at about 15 billion years old.
I am a scientist, so search for evidence to test any hypotheses I devise. Radiometric dating is the only scientific method anyone has devised for dating the age of the Earth. Unless you can convince me, with hard evidence, that you have a different age, I will always choose to believe the current scientifically accepted age.
2006-07-12 01:33:20 · answer #1 · answered by Anonymous · 5⤊ 1⤋
It's based on several things:
1) dating meteorites. When we find a meteorite from this solar system that has a similar composition to earth, you get many young ages, but the oldest and most common date to 4.6 Ga (billion years).
2) isotope trends. When you look at certain radiogenic isotope ratios that change with time, like Rb/Sr or U/Pb, you find that many rocks with differnt ratios of many ages form a line, and the line traces back to an origin of 4.6 Ga as well.
The oldest life is directly dated at 3 1/2 Ga, the oldest rock is about 4 Ga, and the oldest date ever found is on the highly durable mineral Zircon from Australia, it's date is 4.2 Ga. So, there is no direct method for the whole earth itself, it is based on inferences. However, many different inferences lead to the same number 4.559 Ga (to be specific).
And by the way, carbon dating only goes back at most 60,000 years. You need K/Ar or U/Pb to date the earth.
2006-07-12 04:13:54 · answer #2 · answered by QFL 24-7 6 · 0⤊ 0⤋
Well I am not sure but two great books tell a lot:
1. Cosmos by Carl Sagan
and
2. A Brief History of Time by Stephen Hawking
Both Sagan & Hawking are the most senior authorities to comment on mother earth...after Eienstein...
2006-07-12 04:19:23 · answer #3 · answered by Ask Dr. Dingo 3 · 0⤊ 0⤋
15 billions years it's the age of the univers not of the earth.
Th earth is believed to be around 4 or 5 billions years old
2006-07-11 22:15:27 · answer #4 · answered by australeolive 3 · 0⤊ 0⤋
The Earth was formed around 4.57 billion years ago
2006-07-11 22:21:42 · answer #5 · answered by Anonymous · 0⤊ 0⤋
Mother earth i s about 1000 B.C.'s old.
2006-07-11 22:09:15 · answer #6 · answered by Anonymous · 0⤊ 0⤋
15 billion years...........surprised??....its true..they say, the BIG BANG happened sometime then. check it out
2006-07-11 22:12:16 · answer #7 · answered by The Sorceress 3 · 0⤊ 0⤋
4.5 billion ago
2006-07-12 04:12:37 · answer #8 · answered by Anonymous · 0⤊ 0⤋
250,000,000,000 years old approx.
2006-07-12 02:16:19 · answer #9 · answered by liam 3 · 0⤊ 0⤋
ITS AROUND 5200 YRS OLD!
2006-07-11 22:09:19 · answer #10 · answered by Anonymous · 0⤊ 0⤋