Sex chatroomgratis - Antarctic radioactive dating of meteorites

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is a rock that was formed elsewhere in the Solar System, was orbiting the sun or a planet for a long time, was eventually captured by Earths gravitational field, and fell to Earth as a solid object.

A is the visible streak of light that occurs as the rock passes through the atmosphere and exterior of the rock is heated to incandescence. A few rare meteorites come from the Moon (0.1%) and Mars (0.1%).

Radiometric dating--the process of determining the age of rocks from the decay of their radioactive elements--has been in widespread use for over half a century.

There are over forty such techniques, each using a different radioactive element or a different way of measuring them.

On a broken or sawn face, all lunar meteorites look like some kinds of Earth rocks, even to an experienced lunar scientist.

Antarctic radioactive dating of meteorites

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