- says the universe began as a point and expanded
Question
Updated 2/20/2014 11:27:58 AM
This conversation has been flagged as incorrect.
Flagged by jerry06 [2/20/2014 11:27:58 AM]
Original conversation
User: - says the universe began as a point and expanded

Weegy: The equations of the expanding universe have three possible solutions, each of which predicts a different eventual fate for the universe as a whole. [ Which fate will ultimately befall the universe can be determined by measuring how fast the universe expands relative to how much matter the universe contains. The three possible types of expanding universes are called open, flat, and closed universes. If the universe were open, it would expand forever. If the universe were flat, it would also expand forever, but the expansion rate would slow to zero after an infinite amount of time. If the universe were closed, it would eventually stop expanding and recollapse on itself, possibly leading to another big bang. In all three cases, the expansion slows, and the force that causes the slowing is gravity. A simple analogy to understand these three types of universes is to consider a spaceship launched from the surface of the Earth. If the spaceship does not have enough speed to escape the Earth's gravity, it will eventually fall back to Earth. This is analogous with a closed universe that recollapses. If the spaceship is given enough speed so that it has just enough energy to escape, then at an infinite distance away from the Earth, it will come to a stop (this is the flat universe). And lastly, if the ship is launched with more than enough energy to escape, it will always have some speed, even when it is an infinite distance away (the open universe). ]
Score 1|iam_claudia|Points 7|

Question
Updated 2/20/2014 11:27:58 AM
This conversation has been flagged as incorrect.
Flagged by jerry06 [2/20/2014 11:27:58 AM]
Rating
3
The Big Bang theory - says the universe began as a point and expanded.
Confirmed by alfred123 [2/20/2014 11:28:33 AM], Rated good by alfred123

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