The age of the Earth is 4. Following the development of radiometric age-dating in the early 20th century, measurements of...
The Earth is 4,54 billion years old.
You are hereKetsuno Anna: By the way the girl in the video is absolutely gorgeous! 3
Mnsb Ndn: Wetter *than Britain in October. Come one, its a four letter word, how can you get that wrong when your video is literally about the English language.
TheRealSerio: I truly have no idea why the word babushka (grandma is so popular! That is the key word most people I've spoken to know. It's da (yes net (no privet (hi and freaking babushka lol
Thaloner: Also: at the end, you've got the sexy dancing in the pool down pat. ;)
GondГіn: Is this a joke?
Daisy Blue: It seems to me dating a Canadian men is more like dating like an American guy
Mill Burray: Every guy in this comment section right now: I just watched this 5 minute video and now I know what all Danish women are like! They're all awful and arrogant and I would never go near them (and I'm also a women degrading virgin)!
Aurelie E: My Italian mother likes to watch ! lol, hehehehehehehe :)
Maryann Hayes: Will she always by his side if he cheats. do italian men always cheat?
Dave Sher: Dating japanese and korean women, please.
Bully Fighter: Do the guy version
Jason Cougar: Please do Swedish men and women :D
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Even the Greeks and Romans realized that layers of sediment in rock signified old age. Studies of strata , the layering of rocks and earth, gave naturalists an appreciation that Earth may have been through many changes during its existence.
The age determined from the Canyon Diablo meteorite has been confirmed by hundreds of other age determinations, from both terrestrial samples and other meteorites.
Oxford University Press US. Dating meteorites thus allows us to give a lower age to the Solar System 4,56 billion years old.
Geologist Ralph Harvey and historian Mott Greene explain the principles of radiometric dating and its application in determining the age of Earth. As the uranium in rocks decays, it emits subatomic particles and turns into lead at a constant rate. Measuring the uranium-to-lead ratios in the oldest rocks on Earth gave scientists an estimated age of the planet of 4.
Section from A Science Odyssey: Geologists have calculated the age of Earth at 4. But for humans whose life span seldom reaches more than years, how can we be so sure of that ancient date? It turns out the answers are in Earth's rocks. Self-possessed the Greeks and Romans realized that layers of sediment in rock signified old age.
But it wasn't until the recent s -- when Scottish geologist James Hutton, who observed sediments building up on the landscape, customary out to show that rocks were time clocks -- that serious detailed interest in geological mature began. Before then, the Bible had provided the only estimate for the age of the world: