martes, 7 de septiembre de 2010

Solar system

 Introduction: Solar system.The solar system is the sun and the objects that aer traveling around it.Our sun is a star similar to other stars in the night sky.
















The solar System is made up of all the planets that orbit our Sun.In addition to  
planets,the Solar System also consists of moons, comets, asteroids, minor planets, and dust and gas.


mercury



The planet mercury is the  closest of the planet to the sun.because this planet lies so close to the sun, and as a result somewhat near to the Earth, it is visible to observers on Earth in night time sky.




Venus



The planet Venus has long been one of the most misunderstood of all the inner planet.Like the Earth, Venus has an atmosphere. 


Earth



Our planet is an oasis of life in an otherwise desolate universe.The Earth's temperature,weather, atmosphere and many other factors are just right to keep us alive.




Mars

Mars excites scientists because its mild temperament is more like the Earth's than any of the other planets.Evidence suggests that Mars once had river,streams,lakes,and even an ocean

Jupiter


Jupiter's great red spot visible in the picture to the right is where a giant storm has been raging for at least 300 yaers.This storm's super hurricane winds blow across an area larger than the Earth.

Saturn


Saturn is a favorite object for many observers.Its beautiful rings are 169,800
miles wide, but lees thick than a football field.In many ways Saturn is similar to Jupiter, but it is much smaller.

Uranus


Uranus is very odd. Unlike all the other planets and most of the moon in our Solar System Uranus spins on its side. It is believed that long ago a very large object smashed into thi planet.

Neptune


Neptune has a giant storm much like the storm on Jupiter. This storm is often called The Great Dark Spot.




CONCLUSION

The diagram below is a computer-generated image that depicts the positions of the Sun and Earth during each season. You can see that the Northern and Southern hemispheres of the Earth receives different amounts of light from the Sun during different seasons.






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