Exploring the Reclassification of Pluto as a Dwarf Planet

The video discusses Pluto's history as a planet, its discovery by Clyde Tombaugh in 1930, and its classification as the ninth planet. It explains the role of the Kuiper Belt in the reclassification of Pluto as a dwarf planet in 2006. The video also describes Pluto's physical characteristics, such as its size, temperature, and gravity, and mentions the New Horizons spacecraft's flyby in 2015.

Who discovered Pluto and in what year?

• Clyde Tombaugh in 1930

• Edwin Hubble in 1923

• Galileo Galilei in 1610

• Isaac Newton in 1687

What is the Kuiper Belt?

• A group of planets orbiting a distant star

• A region of space beyond Neptune containing debris and dwarf planets

• A ring of asteroids between Mars and Jupiter

• A collection of stars in the Milky Way

What was the significance of the first Kuiper Belt Object discovered in 1992?

• It led to debates about Pluto's classification

• It was the first object to orbit the Sun

• It was larger than Earth

• It was the first object to be visited by a spacecraft

How does Pluto's size compare to Earth's Moon?

• Pluto is smaller than Earth's Moon

• Pluto is larger than Earth's Moon

• Pluto is the same size as Earth's Moon

• Pluto is twice the size of Earth's Moon

What was the New Horizons Spacecraft's achievement in 2015?

• It took the first flyby images of Pluto

• It landed on Mars

• It discovered a new planet

• It orbited the Sun