The Hubble Space Telescope is one of the most powerful instruments known to the world when it comes to interstellar measurements. With more than a billion images of the strange and exciting phenomena happening around the universe at its fingertips, Hubble is currently working on a large-scale task — determining how fast our universe is expanding.
The new findings now show that the universe is not expanding at a uniform rate. NASA has suggested that “something strange” is happening in the universe because of differences in the rate of expansion of the universe like the one around us and observations made after the Big Bang.
The study of how and how fast the universe is expanding began decades ago in the 1920s, when measurements by Edwin B. Hubble added that these galaxies were moving at increasingly irregular speeds. The farther a galaxy is from Earth, the faster it is moving away.
Since then scientists have been trying to understand the phenomenon and measure the rate of this expansion. However, with data from Hubble now available, it appears that the expansion is faster than the model expected. Instead of 67.5 (plus or minus 0.5) kilometers per second per megaparsec, the observations recorded 73 (plus or minus 1) kilometers per second per megaparsec.
Scientists are currently studying the strange phenomenon of a series of “tilted markets” of time and space. This can be used to track the expansion rate of the universe as distant galaxies continue to drift away from us. NASA says Hubble has calibrated the marker more than 40 miles since the telescope launched in 1990.
As new data begins a new assessment of our understanding of the expansion of the universe, scientists are now waiting for data from the new James Webb Space Telescope that will allow for deeper observations of matter. “The Webb Space Telescope will expand Hubble’s work by showing signs of cosmic features at greater distances or at greater resolutions than Hubble can see,” NASA said.
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