Tag: geography

The coastal plains of Thiruvallur, Kancheepuram, Cuddalore and Villupuram are together known as the Cholamandalam plains. Ramanathapuram is not the part of Cholamandalam plains.

The Suakin Trough, located off the coast of Port Sudan, is known as the deepest part of the Red Sea.

The equator represents the 0° latitude. It divides the earth into two hemispheres: Northern Hemisphere and Southern Hemisphere. All the parallels north of the equator are called "North latitudes" and all parallels south of the equator are called "South latitudes".

A lunar eclipse occurs when the Moon passes directly behind the Earth into its umbra (shadow). This can occur only when the sun, Earth and moon are aligned (in "syzygy") exactly, or very closely so, with the Earth in the middle. 

• The largest planet in our solar system by far is Jupiter, which beats out all the other planets in both mass and volume. Jupiter's mass is more than 300 times that of Earth, and its diameter, at 140,000 km, is about 11 times Earth's diameter.
  

• The shape of the earth is like an oblate spheroid i.e. a sphere which is a little flatter at the pole. Hence option D is correct. 
• The shape of the earth is also called the geoid shape.

The Earth's magnetosphere extends significantly into space, and 64,000 km is a commonly cited figure for the extent of the magnetic belt.

The Moon is a natural satellite that orbits the Earth.

A continuous mass of land in the surface of the earth is termed as continent. There are 7 continents in our surface of the earth namely, Asia, Africa, North America, South America, Europe, Australia and Antarctica. Asia is the largest continent and Australia is the smallest continents in the surface of the earth.

An Astronomical Unit (AU) is defined as the average distance between the Earth and the Sun, approximately 150 million kilometers.