solarsystem and earth geography chapter 01.pptx

geography for all competitive exams

1. Solar System

2. Sun Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Sun and its Family

3. Sun Sun is a Star. It is main source of heat and energy. Sun is made of Hydrogen and Helium gases. Supports our life on earth Temperature of Sun is 5778 K.

4. Planets

5. Mercury Closest to the sun. Smallest planet in our solar system. Hot during day and cold at night. 1 year = 88 earth days. No moons.

6. Venus Hottest & Brightest planet in solar system. Called Morning & Evening Star. Similar size to Earth (Twin of Earth). Rotates in opposite direction. 1 year = 225 Earth days. No moons.

7. Earth Third planet from the Sun. 5 th largest planet. Supports life with air, water and land. Consists of oceans, continents, atmosphere. 1 year = 365 Earth days. 1 day – 24 Earth hours. 1 moon.

8. Earth 70% of the Earth’s surface is covered by water. The highest point found on Earth is the “Mt. Everest” while the lowest point is the “Challenger deep”

9. Mars Fourth planet from the Sun. The smaller planet than Earth. Mars is rocky, dusty and dry. Mars has polar ice-caps like Earth. 1 year = 687 days . 1 day = 24 hours , 37 mins . 2 moons ( Phobos and Deimos )

10. Mars Called as “Red Planet”. The tallest mountain in the solar system can be found here, the “Olympus Mons”

11. Jupiter Fifth planet from the Sun. The largest planet in our Solar System. Has a red spot. 1 year = 4331 days ( 12 Earth years ) 67 moons. (4 large moons)

12. Jupiter The largest moon in the solar system can be found here, the “Ganymede”.

13. Size of Ganymede compared to the Earth’s Moon.

14. Saturn Sixth planet from the Sun. Second largest planet but very light. It has rings. 1 year = 10759 days (29 Earth years) 150 moons. (Largest is Titan)

15. Saturn Called as the “Ringed Planet”

16. Uranus Seventh planet from the Sun. Called as the “Ice Giant” It is called Green Planet. It is Coldest planet.

17. Neptune Eight planet from the Sun . It is last planet of solar System. It has methane on it. It is farthest planet.