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railway lines made of metal expand. submitted by a G
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∙ 15y ago
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How are objects in the universe moving?
While there is some seemingly random movement, in general the objects are moving away from one another. In other words, the Universe is expanding.
How the universe changed?
The universe is expanding, and it was recently discovered that the universe is expanding much faster than was originally thought. Also, objects within the universe are constantly changing, such as the birth and death of stars, expanding and/or contraction of gas clouds, and objects in motion (the spinning of galaxies and solar systems, rogue stars or planets) are constantly changing.
How universe is changing?
The universe is expanding, and it was recently discovered that the universe is expanding much faster than was originally thought. Also, objects within the universe are constantly changing, such as the birth and death of stars, expanding and/or contraction of gas clouds, and objects in motion (the spinning of galaxies and solar systems, rogue stars or planets) are constantly changing.
Can you use a cartesian coordinate to measure three dimensional objects?
Yes! By expanding the system to 3D!
If were in space then what is space in what is space expanding into?
No one knows for sure. There are theories, but absolutely none of them can be proved, and I doubt we will ever find out. The universe is expanding firther into what was here before the big bang. Basically, nothing. The universe isn't expanding like a balloon blowing up; the universe is already there, but the objects inside it are spreading out constantly (black holes, stars, galaxies, etc.) The universe isn't expanding; the objects inside are spreading out within it.
Why do physicists believe the universe is constantly expanding?
Mainly because of the redshift we see for distant objects. On average this increases with distance; that is, the further something is from us, the faster it's moving away from us. This is consistent with the universe expanding.
Why the red shift in light from distant galaxies indicate that the universe is expanding?
Red shift is observed in the spectrum of light from an object when it is moving away from the observer. Most astronomical objects display a red shift in their light. Also, the red shift is greater for objects which are further away. For this to happen - in all directions, the universe must be expanding.
Can redshift be detected in objects travelling in space or is it only a feature of space itself expanding?
The red shift is due to the Doppler effect of objects moving away from the observer. (You) So both instances are true.
How much mass is in an object?
Some objects have more mass, some have less.Some objects have more mass, some have less.Some objects have more mass, some have less.Some objects have more mass, some have less.
What are some objects that have a lot of it?
what are some objects that have a lot of friction
Why are some objects are faster than the others?
some objects faster than the others because its due to the movement of the earth.... hahah joke lang :))
What types of service business will be expanding in the next decade?
With today's economy so bad, there are still industries that are expanding. Some of these businesses that will be expanding into the next decade are healthcare and technology services.
