The astronomers have recently found a star that is speeding through the Milky Way at 3,728,227 Mph. It will take 100 million years to move out of the Milky Way. The astronomers are puzzled over its origin and hurry in leaving. The Anglo-Australian Telescope at the Australian National University’s Siding Spring Observatory was used by the team to spot the star and also to study its path. The study published in the Monthly Notices of the Royal Astronomical Society clearly mentions about the star’s journey to the center of our galaxy. The star is found to be traveling at a speed that is almost 10 times faster compared to the usual stars in the Milky Way like the Sun.
The smaller galaxies surrounding the Milky Way were explored and the astronomers found a distant galaxy to have kicked out a star using the forces of the supermassive black hole. The black hole named Sagittarius A* or Sgr A* is found to be 4.2 million times bigger than our sun. The interaction between a binary star system and the black hole could result in tragedy for the star system. The black holes can take in few stars and kick out the rest at high speed. The recent star seems to be 29,000 light-years away from Earth and is assumed to have been kicked out by the black hole around 5 million years ago. According to the astronomical terms, the star will be traveling in the emptiness of intergalactic space for eternity after leaving the Milky Way. The European Space Agency’s Gaia satellite is planning on studying the velocity, position, and measurement of the star.
In a parallel context, astronomers have spotted a prying star located around 190 light-years away from Earth in the constellation Libra and it is found to be moving from the past 100 Years. The star is found to move at a speed of 800,000 Mph. The star is known as Methuselah or HD 140283 and it is found to be one of the Universe’s oldest known stars. In 2000, the European Space Agency’s Hipparcos satellite found the star to be 16 billion years old. On the other hand, Astronomer Howard Bond of Pennsylvania State University used the cosmic microwave background and found the star to be 13.8 billion years old. Since then various studies have been carried out and the astronomers at the Kavli Institute for Theoretical Physics used cosmic microwave background to study the Universe’s age.
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