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NASA discovered First Known Tilted Planetary System

Oct 20, 2013 17:25 IST

NASA’s Kepler space telescope on 18 October 2013 discovered a distant planetary system in the Space. The newly discovered planetary system features two inner planets orbiting at a severe tilt to their host star called Kepler-56.  It is first known tilted star system. That axis is tilted 45 degrees to the line of sight from Earth. These findings allow scientists to get a detailed picture of a distant system that provides a new and critical test of our understanding of the structure of these how these solar systems.

The team of Scientists studied regular changes in the brightness of the host star, Kepler-56, which is an old red giant star with two planets in close orbits and a massive third planet in a distant orbit.

Scientists measured those oscillation frequencies and they measured the star’s diameter and other properties using spectroscopy data about the star’s temperature and chemistry. Kepler-56 is more than four times the radius of our Sun. Its mass is also 30 per cent more than our Sun. It is about 3000 light years from Earth.

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Read more Current Affairs on: NASA , Planetary System , Kepler

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