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Oldest Rock From Earth Found On The Moon
Oldest Rock From Earth Found On The Moon
SUMMARY
A lunar sample collected by the Apollo 14 astronauts almost 50 years ago has more terrestrial than lunar characteristics. The reason for it is that some billion years ago a large impact dislodged it from Earth and went to the Moon. Four billion years later we find this rock formed by quartz, zircon and feldspar, regular materials on Earth, in the Moon, crystallized in an Earth-like oxidized environment and at terrestrial temperatures.
Then, they also discovered the rock crystallized 20 kilometers beneath the Earth's surface, which implied a different distance between Earth and the Moon. They were more than a half the distance closer than they are nowadays.
The international team of scientist belive this kind of show us the period of intense bombardment in our Solar System’s history.
For this sample to be in the Moon's surface for us to collect it, it is thought that about 26 million years ago an asteroid hit the Moon, forming a big crater which we can still see, bringing this rock to the surface.
A lunar sample collected by the Apollo 14 astronauts almost 50 years ago has more terrestrial than lunar characteristics. The reason for it is that some billion years ago a large impact dislodged it from Earth and went to the Moon. Four billion years later we find this rock formed by quartz, zircon and feldspar, regular materials on Earth, in the Moon, crystallized in an Earth-like oxidized environment and at terrestrial temperatures.
Then, they also discovered the rock crystallized 20 kilometers beneath the Earth's surface, which implied a different distance between Earth and the Moon. They were more than a half the distance closer than they are nowadays.
The international team of scientist belive this kind of show us the period of intense bombardment in our Solar System’s history.
For this sample to be in the Moon's surface for us to collect it, it is thought that about 26 million years ago an asteroid hit the Moon, forming a big crater which we can still see, bringing this rock to the surface.
LINK OR REFERENCE
https://www.iflscience.com/space/oldest-rock-from-earth-found-on-the-moon/
PUBLICATION DATE
January 25th, 2019
https://www.iflscience.com/space/oldest-rock-from-earth-found-on-the-moon/
PUBLICATION DATE
January 25th, 2019
SCIENTIFIC SCOPE
ASTROBIOLOGY
TEXT COMMENTARY
This text show us our capacity of learning from the discovery of some rock sample and take conclusions from its conditions. Thanks to a 2 gram rock, we can know and confirm what happened 4 billion years ago, or at least have an idea of it. This makes you think how eventhough we haven't lived long in this universe, we can still learn from it and know what happened if we have samples. This conclusion lead us to another conclusion, which is: the Univers is simple to observe. It may not be really accurated, but the fact that the universe is made by materials well known on Earth, makes you think we can really learn more about this mysterious universe we live in.
A rock doesn't tell you much about anything. But it's compostition does, its condition does, also the size, trajectory... They are all variables we can study.
It is true we are very small in the universe, and the human being has been around for a really short amount of time, but if we can tell what happened 4 year billion years ago and visualize it by examining a 2 gram rock, I think we can learn a lot of things from the Universe if we can observe it and take samples.
It's a shame we need oxygen to live. If we didn't, we could go much farther and discover so much more. If we didn't destroy everything we touch, that would be, for sure, a great thing.
A rock doesn't tell you much about anything. But it's compostition does, its condition does, also the size, trajectory... They are all variables we can study.
It is true we are very small in the universe, and the human being has been around for a really short amount of time, but if we can tell what happened 4 year billion years ago and visualize it by examining a 2 gram rock, I think we can learn a lot of things from the Universe if we can observe it and take samples.
It's a shame we need oxygen to live. If we didn't, we could go much farther and discover so much more. If we didn't destroy everything we touch, that would be, for sure, a great thing.
GLOSSARY
None needed
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