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.
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.
As the universe expands, the space between galaxies also expands, causing their light to stretch out as it travels through this expanding space. This stretching of light waves results in redshift, where the wavelength of light increases, shifting it towards the red end of the spectrum.
The Big Rip is one of the hypotheses for the end of the Universe. It has been observed that the expansion of the Universe is actually accelerating rather than slowing down. Based on this some scientists think the Universe will expand so fast that the fundamental forces, including gravity, will be overwhelmed and everything in the Universe will be "ripped apart". In other words, matter will disintegrate, and even spacetime may be destroyed, causing the Universe to cease to exist altogether. The Big Rip would not happen in an instant. Rather as the Universe expands it will go through a process of disintegration in which every stucture, from the largest galaxies to the smallest subatomic particles, will break down. The fate of the Universe depends on whether gravity or dark energy will win the "war". In the Big Rip hypothesis, dark energy accelerates the expansion of the Universe and overcomes gravity. If gravity "won" the opposite of the Big Rip would occur: the Big Crunch.
It dies out by slowing down :P
I assume you mean the oscillating Universe. That refers to the idea that the expansion of the Universe will eventually revert, the Universe will contract again, all the matter will get together into an extremely small space, but from there it would expand again (and again, and again...). In practice, this still won't make our Universe last forever, due to the Second Law of Thermodynamics (entropy can still only increase!). In any case, the current observational evidence is that the Universe is expanding faster and faster - not slowing down - so the oscillating (cyclic) model is not very likely.
It seems it won't happen. The expansion of the Universe is accelerating - instead of slowing down, it expands faster and faster.
Recent scientific research suggests that time is not slowing down in the universe. The concept of time is complex and can be influenced by various factors, but there is currently no evidence to support the idea that time is slowing down on a universal scale.
Slowing down the speed of light can affect our understanding of the universe by changing how we perceive distances and time. This concept can lead to new insights into the nature of space, time, and the fundamental laws of physics.
As the universe expands, the density of galaxies decreases. This is because the space between galaxies increases as the universe expands, leading to a lower concentration of galaxies in a given volume of space.
a closed universe.
Gradually slowing down is 'decelerating'.
no
Deceleration refers to the decrease in speed or slowing down of an object over time. It is the opposite of acceleration, which involves an increase in speed.
it is the oscillating model
slowing down till the end
Slowing Down the World was created on 1999-06-22.
The universe expands 45 miles every second.