Gravity Warps Space & Time: A cm Difference?

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In summary, gravity warps both space and time, but a centimeter in a high gravity area would still measure as a centimeter. This is because the ruler used to measure it would also be warped and therefore give the same measurement. However, to an outside observer, the object in the high gravity area would appear differently due to the difference in metric at that point. The concept of Riemann Normal Coordinates may be helpful in understanding this phenomenon.
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Unredeemed
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If gravity warps space as well as time, does that mean that a cm in a high gravity area would be smaller than a cm in a low gravity area?
 
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To you, a cm would still be a cm. For example, if you'd put your ruler next to an object in a high gravity area, the ruler would also be warped and you'd still get the same measurement. What you're actually measuring is the proper length (I think that mathematically, it just occurred to me, you're using Riemann Normal Coordinates, in which the space is locally flat). To an outside observer, however, the object would look differently, because the metric at that point is different.
 

FAQ: Gravity Warps Space & Time: A cm Difference?

What is the concept of gravity warping space and time?

The concept of gravity warping space and time is a fundamental principle in Einstein's theory of general relativity. It states that massive objects such as planets and stars create a curvature in the fabric of space and time, causing objects to move along a curved path.

How does gravity warp space and time?

Gravity warps space and time by creating a dent in the fabric of space-time. This dent is caused by the presence of massive objects, which create a gravitational pull that causes other objects to move towards it. The greater the mass of an object, the greater its effect on the curvature of space-time.

What is the difference between a cm and a mm in the context of gravity warping space and time?

In the context of gravity warping space and time, a cm (centimeter) and a mm (millimeter) refer to units of measurement used to describe the curvature of space-time. A cm difference signifies a change in the curvature of space-time by 1 centimeter, while a mm difference signifies a change by 1 millimeter.

How does the concept of gravity warping space and time impact our daily lives?

Although the effects of gravity warping space and time may not be readily apparent in our daily lives, they play a crucial role in determining the motions of objects in our universe. This concept helps explain the orbits of planets, the behavior of black holes, and the bending of light by massive objects.

Is the concept of gravity warping space and time universally accepted by scientists?

Yes, the concept of gravity warping space and time is widely accepted by scientists and has been extensively tested and confirmed through various experiments and observations. It is a fundamental principle in modern physics and has greatly contributed to our understanding of the universe.

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