is celebrated on February 18 of every year.
the first planet to have been discovered by an American. On February 18, 1930, American astronomer Clyde Tombaugh discovered Pluto from the Flagstaff Observatory in Arizona.
This dwarf planet has a dimension of two-thirds of the Earth’s Moon. It is mainly composed of methane ice, rocks and water ice. It was
considered as the ninth planet in our solar system for about 76 years, but after the year 1992, its position as a planet was doubted as many objects like
with similar size were discovered in the Kuiper belt.
Pluto's No Planet by Michael Orelove
Pluto’s no planet some astronomers say
It’s small and it’s icy and so far away
They demoted Pluto and tried hard to ban it
But for me little Pluto will still be a planet