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The moon 85 million years later and was home to a magma ocean for 200 million years, study says

Long before the moon became the solid, crater-covered sphere we know today, it would have been covered with a vast ocean of molten magma.

Although the theory is widely accepted, the uncertainty of the hot liquid among the scientific community remains – so far – uncertain.

A new model suggests that the ocean remained on the lunar surface for 200 million years before solidifying, which is 10 times longer than previously believed.

Astronomers looked at the low thermal conductivity of the lunar crust, along with heat extraction of rock particles in the magma to determine the life of the ocean.

During this investigation, the team also found new evidence that suggests the Moon may be 85 million years younger – an age closer to that of the Earth’s core.

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Long before the moon became the solid, crater-covered sphere we know today, it would have been covered with a vast ocean of molten magma. Although the theory is widely accepted, the uncertainty of the hot liquid among the scientific community remains - so far - uncertain

Long before the moon became the solid, crater-covered sphere we know today, it would have been covered with a vast ocean of molten magma. Although the theory is widely accepted, the uncertainty of the hot liquid among the scientific community remains – so far – uncertain

Scientists believe the moon was created when a protoplanet from Mars, called Theia, collided with Earth about 4.5 billion years ago.

Theia hit Earth, causing the release of such a large amount of material from the mantle of the planet, which gathered to form the Moon.

However, during this violent impact, a few thousand miles of deep magma ocean formed.

Researchers say the moon was “ completely melted ” in its early years and remained so until the rocks eventually floated to the surface and cooled.

Researchers say the moon was `` completely melted '' in its early years and remained so until the rocks eventually floated to the surface and cooled. The experts discovered that the magma ocean was active 150 million to 200 million years ago

Researchers say the moon was `` completely melted '' in its early years and remained so until the rocks eventually floated to the surface and cooled. The experts discovered that the magma ocean was active 150 million to 200 million years ago

Researchers say the moon was “ completely melted ” in its early years and remained so until the rocks eventually floated to the surface and cooled. The experts discovered that the magma ocean was active 150 million to 200 million years ago

Researchers also found that the moon is much younger than previously thought - at 85 million years. The team used a new numerical model to reconstruct the time when the event occurred - 4.425 billion years ago. The previous assumptions about the moon's formation were based on an age of 4.51 billion years

Researchers also found that the moon is much younger than previously thought - at 85 million years. The team used a new numerical model to reconstruct the time when the event occurred - 4.425 billion years ago. The previous assumptions about the moon's formation were based on an age of 4.51 billion years

Researchers also found that the moon is much younger than previously thought – at 85 million years. The team used a new numerical model to reconstruct the time when the event occurred – 4.425 billion years ago. The previous assumptions about the moon’s formation were based on an age of 4.51 billion years

Lead author Maxime Maurice, planetary scientist at the German Aerospace Center in Berlin, said Space.com: “An important outcome of this scenario is that the early moon, which had grown through the rubble of this gigantic impact, was very hot – hot enough to largely melt its rocky mantle and form a so-called magma ocean.”

In the new study, Maurice and his team designed a model that looked at the solidification of the magma ocean on the moon.

It included processes such as mantle convection, a low-moving movement of the Earth’s massive mantle caused by convection currents that transport heat from the inside to the surface, and which could be used when surveying the moon.

They discovered that the magma ocean was active 150 million to 200 million years ago.

Researchers also found that the moon is much younger than previously thought – at 85 million years.

“The results of our latest models suggest that the young Earth was hit by a protoplanet some 140 million years after the birth of the solar system, 4.567 billion years ago,” said Maurice.

“According to our calculations, this happened 4.425 billion years ago – with an uncertainty of 25 million years – and the moon was born.”

They calculated how the composition of the magnesium and iron-rich silicate minerals that formed during the solidification of the magma ocean changed over time.

The team discovered a dramatic change in moon composition of the remaining magma ocean as clotting progressed.

This finding is significant in that it enabled the authors to link the formation of different rock types on the moon to a certain stage in the evolution of the magma ocean.

Scientists believe the moon was created when a protoplanet from Mars, called Theia, collided with Earth about 4.5 billion years ago. Theia hit Earth, causing the release of such a large amount of material from the mantle of the planet, which gathered to form the Moon

Scientists believe the moon was created when a protoplanet from Mars, called Theia, collided with Earth about 4.5 billion years ago. Theia hit Earth, causing the release of such a large amount of material from the mantle of the planet, which gathered to form the Moon

Scientists believe the moon was created when a protoplanet from Mars, called Theia, collided with Earth about 4.5 billion years ago. Theia hit Earth, causing the release of such a large amount of material from the mantle of the planet, which gathered to form the Moon

Sabrina Schwinger, also involved in the study, said, “By comparing the measured composition of the moonstones with the predicted composition of the magma ocean from our model, we were able to trace the evolution of the ocean back to its starting point, the time when the moon was formed. ‘

The results of the study show that the moon was formed 4.425 billion years ago.

According to the scientists, the exact age of the Moon is remarkably consistent with an age previously determined for the formation of the Earth’s metal core by the uranium lead method, the point at which planet Earth formation was completed.

Thorsten Kleine of the Institute of Planetology of the University of Münster said: ‘It is the first time that the age of the moon can be directly linked to an event that occurred at the end of the Earth’s formation, namely the formation from the core. “

SCIENTISTS DO NOT AGREE HOW THE MOON SHAPED BUT MUCH BELIEVE IT IS THE RESULT OF AN IMPACT BETWEEN EARTH AND ANOTHER PLANET

Many researchers believe that the moon formed after the Earth was struck billions of years ago by a planet the size of Mars.

This is called the giant impact hypothesis.

The theory suggests that the moon is made up of debris left over from a collision between our planet and a body about 4.5 billion years ago.

The colliding body is sometimes called Theia, after the mythical Greek Titan who was the mother of Selene, the goddess of the moon.

Many researchers believe that the moon formed after the Earth was struck billions of years ago by a planet the size of Mars. This is called the giant impact hypothesis

Many researchers believe that the moon formed after the Earth was struck billions of years ago by a planet the size of Mars. This is called the giant impact hypothesis

Many researchers believe that the moon formed after the Earth was struck billions of years ago by a planet the size of Mars. This is called the giant impact hypothesis

But one mystery has persisted, revealed by rocks brought by the Moon’s Apollo astronauts: Why are the Moon and Earth so similar?

Several theories have emerged over the years to explain the similar fingerprints of the Earth and Moon.

Perhaps the impact created a massive debris cloud that thoroughly mixed with the Earth and later condensed to form the Moon.

Or Theia, by chance, could have been chemically similar to the young Earth.

A third possibility is that the moon was formed from earthen materials rather than Theia, although this would have been a very unusual type of impact.

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