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Why don't the stars bump each other when they move?
Stars are extremely far apart from each other in space, so the likelihood of them physically colliding as they move is very low. Additionally, the vast distances and speeds at which stars move help prevent collisions. The gravitational force between stars keeps them in their orbits and prevents them from bumping into each other.
What is the fracture along which blocks of crust move relative to each other?
The fracture along blocks of crust (tectonic plates) is called a "fault" or "fault line".
How fast do plates move relative to each other?
The plates move relative to each other in varying speeds. The Pacific plate moves against the North American plate at 5 cm/yr. The Arctic Ridge has the slowest rate at less than 2.5 cm/yr., while the East Pacific Rise has the fastest rate at more than 15 cm/yr.
A Fracture along which blocks of crust move relative to each other?
A fault is a fracture where blocks of the Earth's crust move relative to one another. This movement can be lateral, vertical, or diagonal, and it is often caused by tectonic forces. Earthquakes can occur along faults when the built-up stress is released suddenly.
What are the three ways that tectonic plates can move relative to each other?
Plates move in one of four ways:Spreading, or moving apartSubduction, or diving under another plateCollision, or crashing into one anotherSliding past each other in a shearing motion
How can stars remain in the same position in the sky?
Stars all appear to revolve around the sky each day as the Earth revolves, but relative to each other the stars stay 'fixed'. That is because they are so distant it takes years for any of them to move appreciably.
Why the star move relative to earth and fixed relative to each other?
This is an illusion due to the vast distances between the stars and the Earth's spin. The stars themselves are moving quite quickly, the Earth spinning on it's axis only adds to this cosmic slight of hand by turning under them. The movement of the stars is over vast distances greater than you can imagine. Always remember, most of the movement observed is the Earth moving not the stars. Our eyes simply cannot detect it over the vast light years.
Why don't the stars bump each other when they move?
Stars are extremely far apart from each other in space, so the likelihood of them physically colliding as they move is very low. Additionally, the vast distances and speeds at which stars move help prevent collisions. The gravitational force between stars keeps them in their orbits and prevents them from bumping into each other.
The fracture along which blocks of crust move relative to each other?
A fault
What is a break in the crust where rock bodies move relative to each other?
A fault.
What is the definition of a movable joint?
Two parts that are joined, but can move relative to each other.
Do all stars in the sky move?
Yes, all stars have a relative position and they al move within certain limits. Most stars move visually very slowly, so the Greeks and Romabns would have seen nearly the same night sky as we do.
What is the boundary between plates where relative motion can cause a quake called?
the large sections of the earth's crust that move relative to each other
Why do planets appear to move through the background of stars?
Planets appear to move through the background of stars because they orbit the Sun at different speeds. As the Earth and other planets move in their orbits, their positions relative to the background stars change, causing them to appear to move across the sky. This is known as planetary motion.
What are the crust and lithosphere?
It consist of large sections called tectonic plates, which move relative to each other.
What is the fracture along which blocks of crust move relative to each other?
The fracture along blocks of crust (tectonic plates) is called a "fault" or "fault line".
Are stars in the constellation physically close to each other?
No, they are not. They are in lines of sight which are close to each other and they are all so far away that they do not appear to move very much relative to one another. But in most constellations some stars are likely to by hundreds, if not millions, of times as far away than the nearest stars.
