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An accelerating universe is a theory which describes and seeks to explain the increasing rate of the expansion of the universe.
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∙ 8y ago
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Dark energy seems to be accelerating the expansion of the universe causing what?
That means that the Universe expands faster and faster. It causes the Universe to grow, and the general density of matter in the Universe to decrease over time.
Will the universe ever begin to contract?
It doesn't seem so. There is evidence that the expansion is accelerating (the Universe is expanding faster than in the past). The reason for this is still somewhat of a mystery; do an Internet search on "dark energy" for more details.
Why scientist don't expect to find galaxies that have large blue shifts?
This should be because of the fact that the Universe is expanding. You see a blueshift when objects move closer to you. Other than super distant galaxies, most galaxies will not measure to be a blueshift due to the fact that the Universe is expanding and accelerating.
Do cyclotrons form synthetic elements by decelerating or accelerating?
Its accelerating I got it right
Is the universe slowing down as it expands?
quite the contrary actually, astronomers are saying the universe is rapidly expanding, possibly leading up to a cataclysmic "big rip" millions of years from now. so no, the universe isn't expanding.
What is accelerating universe?
An accelerating universe is a theory which describes and seeks to explain the increasing rate of the expansion of the universe.
Which model of the universe requires the concept of the dark energy?
The one where the universe is expanding and accelerating.
What is a component of the universe that seems to be counteracting the effect of gravity and accelerating the expansion of the universe?
Dark energy.
Is the universe still expanding?
Yes, and the expansion is accelerating - it is expanding faster and faster.
Dark energy seems to be accelerating the expansion of the universe causing what?
That means that the Universe expands faster and faster. It causes the Universe to grow, and the general density of matter in the Universe to decrease over time.
If the hubble constant H is larger at great distances then what is happening?
The Universe is expanding at an accelerating rate.
When will Inflationary Expansion end?
If you refer to the fact that the expansion of the Universe is accelerating, it is not currently clear whether this will end at all, or when.
What does the red shift tell us about the changing universe?
Mainly that the Universe is expanding. Analyzing far-away galaxies, it has recently become clear that the expansion is accelerating - the Universe is now expanding faster than a few billion years ago.
Is the big crunch definitely going to happen?
It seems it won't happen. The expansion of the Universe is accelerating - instead of slowing down, it expands faster and faster.
When would the universe end?
The expansion of the Universe is accelerating; it seems it will continue expanding forever. In this case, there won't be any specific date for an "end of the Universe"; however, the amount of usable energy will decrease over time, and the time will come when there won't be enough usable energy to support life.
Will the darkness of the universe brighten and lighten up?
no, what would power it in a universe as cold as this (3K) and getting colder as it expands? And evidence indicates that about 3 billion years or so ago it started accelerating the expansion, therefore in the future it will cool even faster.
What is oscilating universe theory?
This refers to the idea that after a period of expansion, the Universe will eventually contract again (due to attractive gravitational forces), return to a tiny point, and explode again in another Big Bang. This no longer seems likely to happen, since it has been found that the expansion of the Universe is actuall accelerating, not slowing down.
