Point of The Planets
- Planets are opaque bodies , which continuously revoice around and are lighted by the Sun.
- There are eight planets in the solar system.
- The Sequence of Planets according to their size (in descending order) is Jupiter , Saturn, Uranus, Neptune, Earth, Venus, Mars and Mercury.
- The sequence of planets according ti their distance from the sun is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
Classification of Planets
- Inner Planets Include Mercury, Venus, Earth & Mars.
- Outer Planets Include Jupiter, Saturn, Uranus and Neptune.
Inner Planet :-----
They are called as Terrestrial or Rock planets. They are
nearer to the Sun. They have very few natural satellites (or moons) or no
satellites. They have a core of molten metals. They move faster and have a
shorter period of revolution.
Outer Planet :-----
They are called as Jovian or Gaseous planets. They are far
away from the sun. They have a large number of natural satellites (or moons).
They have ring system around the sun. They move rather slowly and have a longer
period of revolution.
Specifics of The
Planets
- Biggest planet :----- Jupiter.
- Biggest Satellite :----- Gannymede.
- Blue Planet :----- Earth.
- Green Planet :----- Uranus.
- Brightest Planet :----- Venus.
- Brightest star outside Solar System :----- Sirius (Dog Star).
- Closest Star of Solar System :----- Proxima Centauri.
- Coldest Planet :------
- Evening Star :----- Venus.
- Fastest revolution in Solar System :----- Mercury.
- Hottest Planet :------ Venus.
- Densest Planet :------ Earth.
- Fastest rotation in solar system :------ Jupiter.
- Morning Star :----- Venus.
- Nearest Planet to Earth :------ Venus.
- Nearest Planet to sun :------ Mercury.
- Red Planet :------ Mars.
- Slowest revolution in solar System
:------
- Slowest rotation in Solar System :------ Venus.
- Smallest Planet :------ Mercury.
- Smallest Satellite :------ Deimos.
- Earth’s twin :----- Venus.
- Only satellite with an atmosphere like Earth :------ Titan.