Saturday 22 August 2015

UNIVERSE

v  Earth spins from West to East
v  Moon moves from West to East
v  Human beings are found on earth because of earth's atmosphere has oxygen
v  The sun has 8 Planets
v  The eight planets divided into solid planets & gaseous planet
v  Mercury, Venus, Earth & Mars are called Solid planets
v  Jupiter, Saturn, Uranus & Neptune are called gaseous planets
v  The path of the planet to revolve round the sun is called orbit
v  The planets which are smaller than moon are called as dwarf planets
v  The dwarf planets are Pluto, Charon, Ceres, Eris
v  The planets which rotate from west to east are Mercury, Earth, Mars, Jupiter, Saturn, Neptune
v  The planets which rotate from east to west are Venus & Uranus


Duration of Revolution
Mercury
87.97 days
Venus
224.7 days
Earth
365.4 days
Mars
687 days
Jupiter
11 years, 9 months
Saturn
29 years, 5 months
Uranus
84 years
Neptune
164 years, 9 months


Duration of Rotation
Mercury
58.6 days
Venus
243 days
Earth
23 hours, 56 minutes
Mars
24 hours, 37 minutes
Jupiter
9 hours, 55 minutes
Saturn
10 hours, 40 minutes
Uranus
17 hours, 39 minutes
Neptune
16 hours

Satellites
Mercury
No Satellite
Venus
No Satellite
Earth
1
Mars
2
Jupiter
63
Saturn
60
Uranus
27
Neptune
13


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