• Some innumerable and millions of Stars form “Milky way”. It is called ‘Akasa Ganga’ in Telugu.

• First of all we must First of all we must know what is solar know what is solar system?system?

• The Sun,nine The Sun,nine planets,162 planets,162 satellites and a satellites and a number of invisible number of invisible asteroids are asteroids are together called the together called the Solar system.Solar system.

Nine planetsNine planets

Here we can see allHere we can see all Planets rotating roundPlanets rotating round The sun.Four planetsThe sun.Four planets Mercury,Venus,Mars,Mercury,Venus,Mars, Earth are called innerEarth are called inner Planets.Jupiter,Saturn,Uranus,NeptuPlanets.Jupiter,Saturn,Uranus,Neptu

ne and Pluto are outer plabnets.ne and Pluto are outer plabnets.

Mercury is the nearest planet to the Sun.Mercury is the nearest planet to the Sun.Pluto is the smallest planet to the Sun.Pluto is the smallest planet to the Sun. Jupiter is the biggest, insize,of all the Jupiter is the biggest, insize,of all the

planets.planets.The Earth is the fifth biggest planet.The Earth is the fifth biggest planet.

JupiterJupiter

Jupiter the fifth planet from the sun,is the larjest planet in our solar system Jupiter is so big that

our 1,000 plants the size of Earth could fit into

it.Earth could fit intoit.It has 60 moons and 2 rings.

ORIGIN OF ORIGIN OF PLANETSPLANETS

SOME SCIENTISTS BELIEVE THAT THE. SOME SCIENTISTS BELIEVE THAT THE. PLANETS ORIGINATED FROM THE PLANETS ORIGINATED FROM THE

SUN.SUN. AMONG THEM “PLANETESIMAL AMONG THEM “PLANETESIMAL

HYPOTHESIS” PUTFORTH BY CHAMBERLINHYPOTHESIS” PUTFORTH BY CHAMBERLINAND MOULTON THE UNIVERSE WHEN A AND MOULTON THE UNIVERSE WHEN A

SPEEDING STAR PASSED BY THE SUN,IT SPEEDING STAR PASSED BY THE SUN,IT ATTRACTED AND SEPARATED SOME OF THE ATTRACTED AND SEPARATED SOME OF THE GASEOUS MATTER FROM THE SUN.WHILE GASEOUS MATTER FROM THE SUN.WHILE REVILVING ROUND THE SUN,CONDENSED AS REVILVING ROUND THE SUN,CONDENSED AS PLANETSIMALS AFTER GRADUAL COOLING PLANETSIMALS AFTER GRADUAL COOLING FORMED AS THE PRESENT PLANETS BY FORMED AS THE PRESENT PLANETS BY ATTRACTING EACH OTHERE.ATTRACTING EACH OTHERE.