What is Planet?
Planet are among the many world and smaller objects that orbit the sun.The formal definition of planer,as voted on by the international astronomical union in 2006,
Planet facts
There are 8 planets in solar system,they are mercury,venus,earth, mars, jupiter, saturn, uranus, and neptune.
planet in are solar system can be divided into two main groups. terrestrial planets and Gas Giants planets that orbit other stars are referred to as exoplanets.
Facts about the planets
•Mercury's craters are named after famous articles,musicians and authors.
•Venus is the hottest planet in the solar system.
•Earth's atmosphere protects us from meteoroids and radiation from the sun.
•There have been more mission to mars than any other planet.
•jupiter has more than double the mass of all the other planet in the solar system.
•Uranus has only been visited by a single spacecraft,Voyager2.
•It takes like more than 4 hours for light to reach neptune from the sun.
•Only 8 planets have been discovered in our solar system but there is compelling evidence for a 9th planet.
• With the exception of neptune and uranus the other 6 planets can be seen unaided and all 8 are visible with a small telescope or binoculars.
•together the planet make up 0.14% of the solar system mass,99% of which is the gas giants (jupite,saturn,uranus ans neptune).
•Except for the earth,the planet are named after gods from roman and Greek mythology.
•The order of the planets from closest to the sun outwards is ;mercury,venus,eath,.mars,jupiter.saturn,uranus and finally neptune,
•The largest planet in the solar system is jupiter,followed by saturn,uranus,neptune,earth,venus,mars with the smallest being mercury
Under this definition,pluto is not a planet.but has been deemed a dwarf planet because it has not yet cleared its orbit.This definition is under discussion,particularly by members of the planetary science community,and it may yet be further refined.
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