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How did the Theia crash?
The Theia impact hypothesis suggests that a Mars-sized body named Theia collided with the early Earth around 4.5 billion years ago. This colossal impact ejected a significant amount of debris into orbit around Earth, which eventually coalesced to form the Moon. The collision is believed to have been a glancing blow rather than a direct hit, allowing both bodies to retain much of their mass. This event played a crucial role in shaping the Earth's geology and environment, influencing the development of life.
The medium-sized tides that occur across the entire Earth's surface during the Quarter Moon phases are called what?
neap tides
What is a type of rock formed by cooled magma?
Igneous rock is formed from the solidification of magma as it cools.
Is the planet featured in the film Predators a moon of Jupiter?
Whilst the planet seen in the sky bears a striking resemblance, it is unlikely to be Jupiter for the following reasons: 1) The moon on which the soldiers (etc) are stranded appears to have Earth level gravity so it would have be pretty large. It doesn't necessarily have to be as big as Earth itself but it would probably be bigger than any of the other moons around Jupiter - so if such a moon did exist, we would have discovered it, as we have discovered the others using telescopes and space probes. 2) The planet has a tropical climate which suggests it is close to it's parent star (within the "Goldilocks zone"). Jupiter is the 5th furthest planet from the Sun and so any moons around it will be frozen. Also the sun in the movie is (so far as I can tell - the characters don't comment on it) full sized. Whereas the Sun, as it would appear from Jupiter would be very small in the sky. These are the biggest two clues that it is not Jupiter, but merely a planet that resembles it. Now it is possible that the Predator aliens have "cloaked" the planet and are heating it by artificial means... but I think this unlikely. Maybe the sequel will tell us, if there ever is one.
How did the earth's moon became the moon?
Some four billion years ago a massive body, roughly the size of Mars, struck the nascent earth. The debris from this collision settled into orbit around the earth, like a ring. Within just a few thousand years it had coalesced into the moon.
Was the moon formed after a planet-sized object collided with the sun.?
No. The moon formed after a planet-sized object collided with Earth.
What do most scientists believe is the origin of the moons?
Scientist theorize that a planet-sized object collided with earth and the moon formed
How was the moon really formed?
The moon formed when a Mars-sized planet collided with Earth when the solar system was still forming, ejecting a portion of Earth into orbit. That rocky debris came together to form the moon.
What theory states that the moon formed when a planet sized object collided with earth?
There are four main hypothesis for the formation of the moon. ; Fission hypothesis - The Moon broke off from the Earth ; Capture hypothesis - The Moon was captured ; Co-formation hypothesis - The Moon and Earth were created at the same time ; Giant Impact hypothesis - The Moon was created when a Mars sized object (Theia) crashed into the Earth.
What came first the sun moon or earth?
Sun first, then the earth and moon formed at the same time around 4.65ga (billions of years ago) when a large moon-sized planet collided with the proto-earth/moon system.
Who did earth once collide with?
We believe that the proto-Earth, very early in the formation of our solar system, probably collided with another planet, one that might have been as large as Mars. The collision probably entirely re-formed the resultant Earth, and that the heavy metallic cores of both planets merged. Debris blasted into space by the collision probably coalesced to form the Moon.
What was the solar system like when the moon formed?
When the moon formed around 4.5 billion years ago, the solar system was a chaotic place with many collisions between asteroids and planets. The early Earth was also experiencing frequent impacts, and one such collision with a Mars-sized body likely led to the formation of the moon.
How did terestrial planets get moons?
Earth's moon is believed to have formed when Earth collided with a Mars-sized planetoid soon after it formed. Debris from the collision formed a ring around Earth and coalesced into the moon. Scientists still disagree about the origins of Mars' moons Phobos and Deimos. The most prevalent hypothesis is that they are captured asteroids.
Explain the various stages in the formation of the moon?
The most widely accepted theory for the formation of the Moon is the Giant Impact Hypothesis. According to this theory, a Mars-sized object collided with the early Earth, causing debris to be ejected into space. This debris eventually coalesced to form the Moon. The stages include the impact event itself, the formation of a debris disk around the Earth, and the accretion of this material to form the Moon.
Explain the impact theory?
the impact theory states that the moon is formed billions of years ago from condensing gas and debris was thrown off when earth collided with a mars sized object
When did the Moon first appear?
The Moon is thought to have formed around 4.5 billion years ago, not long after the formation of Earth. It likely formed from debris created when a Mars-sized object collided with Earth early in the Solar System's history.
When a large object collided with earth debris from the collision was ejected into orbit and initially formed?
When a large object collides with Earth, debris is ejected into orbit and can initially form a debris field or a ring system around the planet. Over time, this debris can combine and accrete to form moons, such as how our own Moon is believed to have formed from debris generated by a collision with a Mars-sized object early in Earth's history.
