2006-06-26 11:41:20 · 16 answers · asked by Anonymous in Science & Mathematics ➔ Astronomy & Space
It is at least 4,000,000,000 years old, but recent proof indicates it could be as old as 8,000,000,000.
2006-06-26 11:44:32 · answer #1 · answered by boter_99 3 · 0⤊ 2⤋
OK, I'm gonna receive some dabate and nasty e-mails over this one, I can tell.
It is commonly believed by the scientific community that the world is approximately 4.6 billion years old. However, I would like to take this opportunity to present some facts that are commonly unknown.
It is generally accepted knowledge that the moon and the earth came into being around the same time, whenever that was. If it had not been so, then the earth's orbit would be highly irregular, what without the moon to counteract it. So whatever the age of the moon, so should be the age of the earth.
Every cosmic body in this universe collects cosmic dust. So, we should be able to calculate the rate at which the cosmic dust collects on earth, then find how much has collected and use that procedure to find the age of the earth. However, since there are winds here on earth, this experiment must be conducted upon the moon, where there is no disturbance. The first Apollo spacecraft to land was designed with large pad-footed stabilizing structures to prevent the craft from sinking into the cosmic dust. The cosmic dust collected over 4.6 billion years would range from 50 to 70 feet. However, imagine the surprise we were in for when less than an inch was found! Over the past years, as more spacecraft explored our nearest neighbor, we found that the average amount of cosmic dust remained less than one inch. This is only one piece of evidence, but there are numerous others. I highly recommend you all to read Jon Gary Williams' "The Other Side of Evolution." This book will present some very truthful and scientific facts as to the age of the earth.
2006-06-26 13:56:16 · answer #2 · answered by moleman_992 2 · 0⤊ 0⤋
The age of the Earth is in the region of 4.6 billion years old (4.6 BA). BA stands for Billion years.
That is the age of the oldest moon rock and meteorites that have been found so far. According ro radioactive decay the last time that Pb isotopes were in equilibrium was around 4.54Ba
There are Zircon crystals found in Sedimentary rocks in Western Australia, which have been dated to 4.1-4.2 BA. This type if mineral generally forms in an igneous rock at some depth below the ground. This means that the crystals in the rocks in Australia were formed below the ground, the rock that they were in was uplifted and eroded to bring the crystals to the surface, where they were incorporated with sediments, reburied, the sediment was lithified (turned into rock) and then uplifted and eroded again so that we can find it on the surface today.
2006-06-26 11:57:28 · answer #3 · answered by Anonymous · 0⤊ 0⤋
The Earth is 4.5 billion years old.
2006-06-28 11:51:24 · answer #4 · answered by Anonymous · 0⤊ 0⤋
As old as the thought that first understood "earth" as a concept.
2006-07-02 03:12:32 · answer #5 · answered by y2 1 · 0⤊ 0⤋
4.6 billion years old.however,religious fundamentalists belive the earth is only 6,000 years old.
2006-06-26 11:50:12 · answer #6 · answered by That one guy 6 · 0⤊ 0⤋
The present consensus of scientists is (approx.) 4.2 billion years old (as of last week).
2006-06-26 11:45:25 · answer #7 · answered by Puzzleman 5 · 0⤊ 0⤋
who really knows? Perhaps 12 million years.
2006-06-26 11:50:17 · answer #8 · answered by Anonymous · 0⤊ 0⤋
Approx. 4.0 to 4.5 billion years old.
2006-06-26 13:54:51 · answer #9 · answered by DR 5 · 0⤊ 0⤋
4.57 billion (4.57×10^9) years
2006-06-26 11:46:45 · answer #10 · answered by davidmi711 7 · 0⤊ 0⤋
4.6 billion years old
2006-06-26 11:44:20 · answer #11 · answered by Hatsumashi 2 · 0⤊ 0⤋