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How does the concept of spacetime curvature in general relativity influence the orbital path of a planet?
In general relativity, spacetime curvature affects the orbital path of a planet by causing it to follow a curved trajectory around a massive object like a star. This curvature is due to the presence of mass and energy, which warp the fabric of spacetime, influencing how objects move through it.
How does mass tell spacetime how to curve?
Mass tells spacetime how to curve through its gravitational pull. According to Einstein's theory of general relativity, mass causes spacetime to bend or curve around it, creating the force of gravity. The more mass an object has, the stronger its gravitational pull and the greater the curvature of spacetime around it.
Does the size of an object appear to change as the observer moves closer to or farther away from the object?
Yes, the size of an object can appear to change as the observer moves closer to or farther away from the object due to perspective. When an observer moves closer to an object, it may appear larger, and when moving farther away, it may appear smaller.
What is the term for the path of an object through 4-dimensional spacetime?
The term for the path of an object through 4-dimensional spacetime is called its "worldline."
Where should an object be placed in front of a concave mirror and principal axis to form an image that is real inverted larger than the object and farther from the mirror than the object is?
The object should be placed farther than the focal point of the concave mirror along the principal axis. This will result in a real inverted image that is larger than the object and located beyond the center of curvature of the mirror.
How does the concept of spacetime curvature in general relativity influence the orbital path of a planet?
In general relativity, spacetime curvature affects the orbital path of a planet by causing it to follow a curved trajectory around a massive object like a star. This curvature is due to the presence of mass and energy, which warp the fabric of spacetime, influencing how objects move through it.
Does a massive object have a greater curvature in spacetime if it is moving?
Yes, but only if the object is moving at relativistic speeds, or more than 1/10th the speed of light. An object would need to travel at a spead greater than 30,000 kilometers per second (67 million miles per hour) to affect the curvature in spacetime more than it does at rest.
How does mass tell spacetime how to curve?
Mass tells spacetime how to curve through its gravitational pull. According to Einstein's theory of general relativity, mass causes spacetime to bend or curve around it, creating the force of gravity. The more mass an object has, the stronger its gravitational pull and the greater the curvature of spacetime around it.
What did Einstein mean when he said gravity warps space?
He meant that the gravitational pull of a mass is just the curvature of spacetime caused by a mass. You can think of spacetime as a blanket pulled tight on all corners. If you place a large object in the center, things on the outside of the blanket will go towards the larger object in the center.
Does the size of an object appear to change as the observer moves closer to or farther away from the object?
Yes, the size of an object can appear to change as the observer moves closer to or farther away from the object due to perspective. When an observer moves closer to an object, it may appear larger, and when moving farther away, it may appear smaller.
What explanation does general relativity provide for the phenomenon of gravity?
General relativity explains gravity as the result of the curvature of spacetime caused by the presence of mass and energy. Objects with mass create a "dip" in spacetime, causing other objects to move towards them due to the curvature of this space.
What is the real answer to how gravity works?
Nobody know for sure how gravity works, but the most commonly accepted theory is Einstein's theory of general relativity. Einstein's theory states that spacetime can be distorted. (Spacetime is usually interpreted with space being 3-d consisting of length width and height and time being the fourth dimension.) Any object with a mass curves spacetime. The greater the mass of an object, the more it distorts spacetime. You can think of it as a basketball and a bowling ball both on a bed, the bowling ball will obviously sink more into the bed. Because the spacetime around an object curves around it, other objects will experience a pull by the curvature that the object has formed. For this reason, we experience a pull towards the centre of the Earth and the Earth experiences a pull from the Sun.
What is the term for the path of an object through 4-dimensional spacetime?
The term for the path of an object through 4-dimensional spacetime is called its "worldline."
Where should an object be placed in front of a concave mirror and principal axis to form an image that is real inverted larger than the object and farther from the mirror than the object is?
The object should be placed farther than the focal point of the concave mirror along the principal axis. This will result in a real inverted image that is larger than the object and located beyond the center of curvature of the mirror.
An object that is farther away than another object will have a parallax?
Yes, objects that are farther away than others will exhibit less parallax. Parallax is the apparent change in position of an object when viewed from different perspectives. The closer an object is, the greater its parallax when viewed from different angles.
How does mass effect gravitational force?
There is no such thing as gravitational force. Mass curves spacetime and stuff moves through spacetime in straight spacetime paths. The effect of this is what we call gravity. The more the mass the greater the curvature of spacetime.
What happens to space time when entering a black hole?
According to principles of relativity, spacetime itself experiences a curvature as a result of mass; the greater the gravity, the more the curvature. This proposed curvature has been shown to be consistent with experimental observations, and is a convenient way to explain phenomena like time dilation. This distortion of spacetime would increase continuously the closer you got to the singularity of a black hole, all the way up to an extreme sometimes referred to as 'infinite' curvature. There would be no abrupt change to it at the moment a black hole is entered at the event horizon. This boundary of a black hole is simply the point at which the escape velocity equals the speed of light and thus, at which no light from inside would escape. A distant observer watching an object fall into a black hole would observe the object's fall slowing to a halt at the event horizon; somebody falling in might notice a distant clock outside the black hole appear to be increasing in speed.
