It was first discovered on October 19 by a team of researchers using the Pan-STARRS1 telescope at the University of Hawaii, in an October statement from the space agency. His name, which is of Hawaiian origin, means a messenger from afar that arrives first. The scientists realized that it was different and from a solar system external to ours because of its unusual movement. After having been initially categorized as a comet, the celestial object was reclassified as an interstellar asteroid, according to a communiqué from the IAU International Astronomical Union, Oumuamua moved to the object class recently discovered due to its 'hyperbolic orbit and record eccentricity' and the fact that it never seemed to be attached to our solar system by gravitational attraction. The characteristics of the asteroid suggest that it is made of rocks and possibly metals, that it has no water or ice, and that its surface reddened due to the radiation of cosmic rays over hundreds of millions of years, the statement said.
Astronomy Institute astronomer Karen Meech discovered that the asteroid varies in brightness by a factor of 10 as it rotates on its axis every 7.3 hours. No other known comet or asteroid has had a great variety of brightness or such a large ratio of its length and width. Currently, Oumuamua is approximately 124 million miles away from Earth and travels at a speed of approximately 85,700 miles per hour. It is expected to pass Jupiter's orbit in May 2018 and travel beyond Saturn's orbit in January 2019.
video phone beyonce mp3 Oumuamua mysterious celestial object of another galaxy is the first interstellar asteroid. | |
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