Scientists say that quasars, the super bright galactic cores, indicate that the universe is expanding. Since the big bang theory approximately 13 billion years ago, the universe has been continuously expanding at a very fast rate. Scientists who are studying the universe have discovered that quasars provide a phenomenal view of this fast expansion.

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According to Space, astronomers from the National Aeronautics and Space Administration (NASA) made the announcement after making a discovery using the Hubble Space Telescope. A view of the quasar RXJ1131-1231 in the background of a galaxy shows an image of a bright arc that creates four images. The massive galaxy is the cosmic or gravitational lense that permits scientists to get an advanced estimate of the speed of the universe's expansion.

According to Scientific American, the distorted lights in space-time provides proof about the very fast expansion of the universe. The rate of expansion is measured using the Hubble constant. According to the recent calculation, the universe is expanding at 44.7 miles or 71.9 kilometers per megaparsec at 3.26 million light-years.

These are portraits of warped space--single quasars split by gravity into multiple images! https://t.co/HMoKJXB9FM pic.twitter.com/GEi6AcLvPW

— Corey S. Powell (@coreyspowell) January 27, 2017

The newest estimate of the universe expansion rate is a result of Sherry Suyu's team from the Max Plank Institute for Astrophysics in Germany and Frederic Courbin of Lausanne Switzerland.

Using the Hubble and the Spitzer Space Telescope, the researchers studied the warping of light of the distant quasars and came up with the new figure. The estimate is based on calculating the cosmic microwave background, which was left behind from the explosion known as the big bang theory billions of years ago.