How old is the Earth?

Answer 1

Most evidence suggests that the earth is young.

It is important to note that all methods of estimating the age of the earth/universe involve unprovable assumptions about the past.

Evidence for youth includes
The saltiness of the sea (would be saltier if old)
The decay of earth's magnetic field
The recession of the moon
The existence of short lived comets (Oort cloud has been invented to try and explain them)

http://www.creationontheweb.com/content/view/3040/

Much evidence for age is clearly faulty, and often involves radiometric dating. Rock from Mt St Helens volcano was dated as millions of years old when it is known to be just decades.
Diamonds contain carbon 14 when they 'shouldn't'.
http://www.creationontheweb.com/content/view/3059/

But check it out for yourself, and don't forget - many people are very biased and philospohically (religiously) opposed to the possibility of creation, and therefore take an unscientific stance by ruling out certain possibilities a priori.

Answer 2

Using the Uranium 238 radiometric decay system we have determined Earth is about 4.55 billion years old.

Answer 3

Well, do you want a biblical answer or a scientific one? This is a cool question that one of the little kids always asks at school or at night when trying to go to sleep. My answer would be this, As old as the moon and the star and the best answer would be infinity.........

Answer 4

like 6 billion years old,

Answer 5

approximately 4.6 billion years old

Answer 6

4.6 billion years old