Galaxy is a system that consists of a vast stellar stellar clusters, gas and dust. The sky is also called nebulae and space together in the same system, because there is mutual gravity. Galaxy is considered as one element of the universe occurred when approximately 18,000 million years ago to approximately that in the universe of galaxies up to 100,000 million stars and that system, including the Sun, which is at the center of the solar system, everyone moving around the center of the Galaxy with a gravity Rd.The circles between da ngrik with what is at the heart of the Galaxy, which has a very high gravity. Astronomers believe that this is a black hole, which is believed to be infinite depth. When dropped into the stuff can't come out. See the stars in the sky are stars that are in our Galaxy or Milky Way Galaxy looks like a thin fog clouds surrounding a similar white sky. Galaxy is the Milky Way Galaxy because turbine-style top and bottom to form is the structure or machinery or coiled shells. By the Center will be an ellipse. Length up to 100,000 years our sun light located on the right arm with a distance of Center of the Galaxy is approximately 30,000 light years.
การแปล กรุณารอสักครู่..