In this video, I want to go through a concrete example.
With application for the NASA 2020 Mars rover mission, our technique represents a fundamental tool for in-situ dating of planetary surfaces, without the need for high temperatures or a weight measurement. This means that craters on the Martian surface are subject to signifiant erosion and weathering, which can lead towards a bias in the crater-counting models of younger ages.
Being able to determine the timings of events on the surface of Mars is vastly important in terms of understanding the planets evolution.
So we know that anything that is experiencing radioactive decay, it's experiencing exponential decay.
And we know that there's a generalized way to describe that.
Ar (argon), the atom typically remains trapped within the lattice because it is larger than the spaces between the other atoms in a mineral crystal.
But it can escape into the surrounding region when the right conditions are met, such as change in pressure and/or temperature.
Paleoanthropologists and archaeologists must always be aware of possible radiocarbon sample contamination that could result in inaccurate dates.
The ID-KAr D laboratory was established in 2012 as an extension to the Caltech noble gas facitilities in order to develop a unique approach to K-Ar dating.
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