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Is The Universe Expanding Faster Than The Speed Of Light?

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The speed of light is generally referred to as a known speed limit for the rest of the universe. Light speed is measured at 299,792 kilometers per second, implying that the speed of light travels at almost 300,000 kilometers per second. Any object traveling at this speed will surely orbit the Earth around seven and half times per second. This speed is known as the unchallengeable speed of the Cosmos.

Scientists have realized that our universe is constantly expanding through the lights reaching us from distant galaxies. This is why some galaxies have permanently remained out of our reach, as they are expanding so fast that their lights will never reach earth. Scientists are even suggesting that some galaxies that are visible to earth may likely disappear in the future, as their lights will stop reaching us from great distances.

The latest conclusion in which scientists estimated how fast the universe travels have shown that the cosmos is actually traveling faster than the speed of light. The estimation has it that the universe travels at 69.8 km/sec/Mpc, with one megaparsec equivalent to 3.26 million light years. at this rate of expansion, some studies predicted that the distances between entire objects in the universe will likely double 10 billion years from now.

It is important to note that Galaxies within the universes are not moving at this high speed. However, the space between galaxies is expanding at a tremendous rate. Theories surrounding the rate of expansion of the universe inspired scientists to come up with the idea of dark energy. We currently know that dark energy makes up 27 percent of the Universe. Scientists were able to estimate this based on the amount of energy the universe uses to be expanding at such a fast rate.

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