1. The third highest mountain in the world is Kanchenjunga, whose height is 8,586 meters (28,169 feet).

2. Works to connect the borders of Nepal and India.

3. Kanchenjunga was first climbed by Joe Brown and George Band on 25 May 1955.

1. Pluto has a natural satellite named Charon.

2. Pluto has five known natural satellites, of which Charon is the largest.

3. Charon's diameter is about half the diameter of Pluto.

4. Its average radius is 606 km (377 mi).

1. Kunchikal Falls in Karnataka forms the Varahi River.

2. It is located in Shimoga district of Karnataka state.

3. Forms other waterfalls of Karnataka state.

- Sharavati River: Jog Falls

- Kaveri River: Shivasamudram Falls

- Godavari River: Maneshree Falls

- Krishna River: Hukka Falls

1. The Brahmaputra originates from the Chemayungdung glacier of the Kailash range near Lake Mansarovar under the name of Siang or Dihang.

2. This river flows through Tibet, India and Bangladesh.

3. Its main tributaries are Dibang, Lohit, Siang, Budhi Dihing, Teesta and Dhansari.

4. It enters India west of Sadiya town in Arunachal Pradesh.

5. This river is important for irrigation, hydropower generation, water transportation and fisheries.

1. A steep hill more than 600 meters high is classified as a mountain.

2. We can group different landforms as hills, mountains, plateaus and plains on the basis of height and slope.