By studying moon dust collected in 1972, scientists have come one step closer to understanding the mysterious origins of our planet's largest satellite.
The history and formation of the moon has puzzled astronomers for centuries. Now, researchers have shown that our planet's largest satellite is 40 million years older than previously thought, helping us more precisely pinpoint the geological chronology of the moon's origins.
'Zircon crystals are common in crustal rocks on Earth, the Moon, Mars, and differentiated asteroids, such as Vesta,' Heck said. 'They are found in igneous rocks such as granite. Zircons are very hard and tough and survive the breakdown of rocks during weathering. Therefore, we can find them in sediments such as sands, and sedimentary rocks such as sandstone. When zircons form, they readily incorporate uranium into their crystals but not lead.
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