For over decade’s astronomers, space researchers and planetary scientists have been arguing over the definition of planets and have been finding it hard to say which all celestial bodies qualified to be categorized as planets.
In any case, planetary scientist Carolyn Porco. Runyon will disregard his own particular theory this week when he goes to the yearly Lunar and Planetary Science Conference in Houston. He aims to pursue the subject about Pluto’s status with a new definition for planet — one that incorporates not simply Pluto, but rather a few of its neighbors, other objects in the space rock belt, and various moons. According to his observation, 102 new planets could be added to our close planetary system under this new criterion.
It was also speculated that of species from outer space happened to visit our solar system, what would attract their attention. Most likely contender will be Jupiter, the biggest body in our close planetary system. Next they’d spot Saturn, Neptune and Uranus , the other bigger planets after Jupiter and the two belts of debris circle the sun inside Jupiter’s circle (the asteroid belt) and past Neptune (the Kuiper belt). Upon closer examination, they’d detect the little, rough circles of the internal nearby planetary group: Mercury, Venus, Earth and Mars. They may see the many universes that circle the bigger bodies or Ceres in the asteroid belt. Lastly, on the off chance that they looked close to the Kuiper belt, they’d observe Pluto, more diminutive than Earth’s moon yet obviously enamoring, with Water Ice Mountains and a plain shaped like a heart.
At the point when the IAU (International Astronomical Unit) voted in 2006, researchers reached the conclusion that gravitational predominance is the thing that recognizes the eight planets from the close planetary system’s different circles. From huge Jupiter to minor Mercury, each is sufficiently huge to make them the master of their circles, retaining, launching or generally controlling the movement of each other bodies that gets excessively close. As indicated by the definition, planets should likewise orbit around the sun.
Pluto, which shares its zone of the nearby planetary group with a large group of different items, was renamed as a “dwarf planet” — a body that looks like a planet however neglects to “clear its neighborhood,” in the IAU’s speech. Inquiries regarding the meaning of “planet” backpedal significantly more distant than the verbal confrontation over Pluto. The moon was viewed as a planet until the seventeenth century, when Copernicus set it in circle around the Earth. Galileo at first alluded to the four biggest moons of Jupiter as planets, yet astronomers eventually referred it as a “satellite”.
Ceres was viewed as a planet for quite a while after it was found hovering amongst Mars and Jupiter in 1801. However, when astronomers acknowledged it was recently the biggest of thousands of items occupying that extend of sky, they renamed Ceres a “asteroid” and called its swarmed home circle “the asteroid belt.” At the point when Pluto was named the ninth planet in 1930, astronomers immensely overestimated its size, recommending it could be considerably bigger than Jupiter. It would likewise take over 50 years for them to understand that Pluto had a lot of organization in its big elliptical orbit.