Youtor
Part 2 The Solar System Mars Jupiter and Saturn
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The Solar System • • The solar system consists of the Sun, the eight planets and their satellites and thousands of other smaller heavenly bodies such as asteroids, comets and meteors. • • The Sun is at the centre of the solar system and all these bodies are revolving around it. • • The gravitational pull of the Sun keeps all the planets and other objects revloving around it. Thus, the motion of all the members of the solar system is governed mainly by the gravitational force of the Sun. • • Planets revolve around the Sun in elliptical orbit. • • In the solar system the planet nearest to the Sun is Mercury and the planet farthest from the Sun is Neptune. • • The Sun • • The Sun is the centre of the Solar System. • • Its size is thirteen lakh times as total of the Earth. • • It is nearest star to the Earth. • • it is an ultimate source of energy for life on Earth. • • Its diameter is 14 lakh kms. • • It is composed of 71% Hydrogen, 26.5% Helium and 2.5% other elements • . • • Hydrogen and Helium are the main gases present in the Sun. • • Within the Sun, hydrogen is converted to Helium due to nuclear fusion releasing a tremendous amount of heat and light. • • Mars • • Iron-rich red soil and pink sky of Mars give it the name, ‘Red Planet’. • • Mars has a cold desert world. It is half the size of Earth. Like Earth, Mars has seasons, polar ice caps, volcanoes, canyons and weather. It has an atmosphere made of carbon dioxide, nitrogen and argon. • • Mars is a terrestrial planet. it is small and rocky. Mars has a thin atmosphere. Mars has an active atmosphere, but the surface of the planes is not active. Its volcanoes are dead. • • One day on Mars lasts 24.6 hours. One year on Mars’s is 687 Earth days. • • Mars has two moons. Their names are Phobos and Deimos. • • Mars Orbiter Mission (MOM), the maiden interplanetary mission of ISRO, launched on November 5, 2013 by PSLV-C25 got inserted into Martian orbit on September 24, 2014 in its first attempt. • • Jupiter • • Jupiter is the largest planet of the Solar System. • • Jupiter is also known as winter planet as its average temperature is very low (-148° C). • • Ganymede (yellow in colour), largest satellite of Jupiter is the also largest satellite in the Solar System. • Saturn • • Saturn is the second largest planet of the Solar System. • • Saturn has bright concentric rings which are made up of ice and ice-covered dust particles which revolve around it. • • Titan is the largest satellite of Saturn. • • Thanks!😊 • • • #solarsystem #thesolarsystem #planets #sun #mars #redplanet #colddesert #mom #jupiter #saturn #space
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