The Earth in the Solar System class 6th geography ppt
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The Earth in the Solar System class 6th geography summary in this PowerPoint file, you will find some basic details related to our solar system such as. Stars:- all stars appear twinkling but some of them not twinkling as others do. They simply glow without any flicker just as moonshine You will also be going learn about the moon and other celestial bodies present In our solar system. What is constellation Word geography meaning and the origin of the word geography. understand light year and you will also learn about composition of sun for the ppt of this video tutorial you can visit on our youtube channel: GuruAshram - https://www.youtube.com/channel/UCgeyFn8xhBRJcVQtHkP8HNQ/
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The Earth in the Solar System class 6th geography ppt
- 1. Class 6th Geography Video :- 01 Chapter :- The Earth in the Solar System
- 2. Geography Geo {ge) Graphy {Graphia} WritingEarth Geo (ge) Logy (logia) Metry (metria) Oid (oeides) Study of the earth Measurement of the Earth Resembling the shape or form of the earth Study the Celestial bodies and their movement are called astronomers
- 3. Stars Stars :- all stars appear twinkling but some of them not twinkling as other do. They simply glow without any flicker just as moon shine
- 4. MOON Along with the twinkling object, we all also see the moon most of days. It may appear different shapes and at different position,
- 5. Note :- The Sun, the moon and all those objects shining in the night sky are called Celestial bodies • Some are very big • Made up of gases • Own heat and light which they emit in large amounts . • These celestial bodies are called stars We can see the full moon only once in about a month time . It is full moon night or Poornima. fortnight later we can not see it at all it is new moon night or Amavasya The Moon that we see in the sky is a satellite. It is Companion of our earth and moves around it.
- 6. constellations Various patterns formed by different groups of stars, these are called constellation. Ursa Major or Big Bear is one such constellation
- 7. One of the most easily recognizable constellation is the Saptarishi. It is a group of 7 Stars that form a part of Ursa Major constellation.
- 8. North Star :- The North star indicates the north direction it is also called north star or pole star Note:- Some celestial bodies don’t have their own heat and light. They light by the light of stars such bodies are called plants Planet Greek word Planetai Wonderes
- 9. Facts :- Jupiter, Saturn and Uranus have ring around them. These are belts of small debris
- 10. The Solar System The Sun, Eight planets, Satellites and some other celestial bodies Known as asteroids and meteoroids from the solar system. The Sun • Centre of the solar system • Huge and made up of extremely hot gases • It provide the pulling force that binds the solar systems • Closest star to the Sun • 150 million km away from the earth • Closest Star to the sun :- Proxima Centauri (About 4.22 light year away)
- 11. Light Year • Distance that light travel in a year is called Light Year • Speed of light :- 300,000KM/Sec or 3*10^8 m/sec • 1 light year :- 9.5*10^15m Composition of Sun is • About 71% = Hydrogen • 28%= Helium • 1%= Other Gases
- 12. Planets There are Eight Planets in our solar system
- 13. All the Eight planets of the solar system moves around the sun in fixed path Venus is considered as eath’s-twin because it size and shape are very much similar to the earth
- 14. The Earth • Third nearest planet to the sun • In size it is fifth largest planet • It is slightly flattened at the poles • It shape is described as a groid, Geoid means shape like earth • It appears blue from the outer space, because of two thirds surface is covered with water ,Also known as blue planet The MOON • Moon is satellite for earth • It is diameter only one-quarter of earth • 3,84,400 km away from the earth • The moon moves around the earth in about 27 days. • It take exactly same time to complete one spin
- 15. Asteroids • These are tiny bodies which also moves around the sun, these bodies are called asteroids. • These are found b/w the orbit of mars and Jupiter Meteoroids • The small piece of rocks which moves around the sun are called meteoroids
- 16. Comets A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process called outgassing. This produces a visible atmosphere or coma, and sometimes also a tail. Neil Armstrong was the first man to step on the surface of the moon on 21 July 1969
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