Beautiful and mystical starry sky vast starry sky,limitless,does not have the limit.if you look in the universe all around,you will discover that all around all will be the twinkle star star (naked eye obvious has 6974),will have red,will have blue,will have yellow,will have white .And,many stars will compose a constellation,some constellation animal,some elephant natural objects,some will look like the apparatus likely,but also some will look like in the myth character .Was really too beautiful!is natural,not only in the starry sky has the beauty,but also has the mysticalness.if you look in the universe all around,you will discover that all around all will be the twinkle star star,will have brightly,will have darkly,will have in a big way,will have slightly .In addition a blackness,cannot see the thing.Riddle of the mystical ufo,riddle of the black hole,dark material and the antimatter riddle of .Has smeared in a veil of mystery for the universe.the universe,is really one is also beautiful,mystical place!
Solar the sun is burning the big fireball,resides in solar system's center,the Earth and its 9 brothers revolves around the sun.the sun is very big,may install the next 1,300,000 Earth nearly.The sun is hot,the surface temperature has several thousand degrees Celsius,the central temperature also wants hotly!the sun already had 5,000,000,000 years old now,the scientist forecast that it may also exist for 5,000,000,000 years.If the sun has destroyed,how that humanity does manage?Should not be anxious,at that time humanity has already mastered the very high science and technology,has already established own homeland in universe another corner.
Earth the Earth is the solar system's third planet,according to the size platoon is fifth.the Earth is humanity's homeland,is a blue color star.On the Earth has 29% lands,71% sea.The Earth is in solar system's star suits the life housing only the star,is also in the star which the present humanity explores suits the star which only the humanity lives.the Earth in does not stop circles the sun to rotate,simultaneously also in rotation.The Earth circles solar revolution one week approximately to need for 365 days,rotation one week approximately needs for 24 hours.Earth's radius approximately is 6400 kilometers,approximately has 150,000,000 kilometers to sun's distance.the Earth has a satellite,that is the Moon.
Star in the universe,every can shine the star which gives off heat,is called the star.the star is very generally big,is also very bright,but also has many light to be very weak,or also wants compared to the Earth slightly.Our sun is also a star.star's brightness varies,we may decide the rank to the star.6 and so on star can see reluctantly,7 below and so on could not see.From 6 and so on starts,decide as 5 and so on turn,4 and so on,3 and so on,2 and so on,1 and so on,0 and so on,- 1 and so on,- 2 and so on .One and so on one and so on is brighter.The naked eye obvious star reaches 6974.the star also has the different color,the different color has represented the different temperature.Is just like the blue color star the temperature to be highest and red lowest.many stars combine the constellation,entire day altogether has 88 constellations