Where we live is the earth, with the universe inside like this without the earth The same planet. Because the universe is too much! In the immense universe, have Milky Way Department, now we already know about the Milky Way's knowledge, but the secret of the universe for We are still a mystery! The Milky Way inside a dozen planet, we live Ball, fiery red sun, by the beautiful aura around Saturn, frosty of Pluto, Mars, mercury, Uranus, etc. The moon is a minimal planet from our earth, he only has millions of kilometers Far, however, we have already been to the moon of world history. At that time, America's o mother Tear especially lang driving "Apollo" spacecraft landed on the moon, the moon has no empty Gas, so, astronauts had to back heavy tank. On the moon, raise a cake Boulders, drifting strength, because the moon's gravity are smaller than earth, in the moon Weight is just one of six points on earth, how, is a very light? An eclipse of the moon, I Believe you met right, that's because sunlight not according to the moon, the earth just blocked The light of the sun, since such, can appear an eclipse of the moon. The sun is in the galaxy's largest planet! Its surface temperature is 6000 degrees Celsius, Center temperature is about surface temperature 3,000 times! Is almost 1500000 degrees Celsius, Such temperature, in the universe is a miracle! Is anything touched it, too Into a gas, ah! The temperature is remarkable. We [terms] : if steps Line, go to the sun, almost to go by plane, is more than 3500 years [jet Type], also want to fly over twenty years! We see the sun on the earth, only small, because of For the sun too far from earth, so, just have so big! Larger than the sun star and many! The sun is a star. The two stars also A big enough! Participation is the sun's lodge 2 planet more than 200 times! And four star is the sun and accommodation More than 500 times, is an alarming number of ah! The big non-polar! The universe is a treasure-house, hiding inside many knowledge General! He was waiting for us grow up to dig inside the "treasure", I grow up to be An astronomer, to explore the mysteries of the universe!