The Earth

Ø The Earth also called - Blue Planet

Ø the Circumference of Earth is 40,232 Kilometers.

Ø Earth lies Milky Way Galaxy  We call it Akash Ganga.

Ø Earth Spins on its imaginary axis from - west to east in 23 hrs, 56 min and 40.91 sec

Ø The longest day in North Hemisphere is - June 21

Ø The shortest day in North Hemisphere is - 22 Dec

Ø The longest day in South Hemisphere is - 22 Dec

Ø The shortest day in South Hemisphere is - June 2

Ø What is Earth’s average orbital velocity - 29.79 Kilometers/s.

Ø Earth takes time, revolution around the sun is - 365 days, 5 hrs, 48 min and 45.51 sec.

Ø  Lunar Eclipse occurs - When earth comes between sun and moon .

Ø The equator represents in - 0° latitude

Ø The North Pole represent in - 90° N and the South Pole 90° S.

Ø  23½° N represents - Tropic of Cancer, while 23½° S represents Tropic of Capricorn.

Ø 66½° N represents - Arctic Circle while 66½° S represents - Antarctic Circle.

Ø How many latitudes are there - total 181 latitudes including the equator.

Ø The distance between any two parallels of latitude is always - equal.

Ø There are 360 meridians of longitude. The prime meridian is a longitude of 00, passing through the Royal Observatory at Greenwich near London.

Ø The earth is divided into, how many longitudinal zones - 24 longitudinal zones, each being 15° or 1 hour apart in time (4 minutes/degree).