On a splendid star night, when you look at the sky, facing bling bling stars, you will remember many ancient myths. The modern scientific discovery proves that the Earth where we are is in the Milky Way. In a deep universe, there are many galaxies, like Milky Way. Astro-observation finds that most of galaxies outside the Milky Way show a spiral shape, known as spiral galaxy.
On March 17, 2014, Science and Technology Daily has reported a scientific news, “the obesity or flat of the galaxy depends on the rotational speed.” The report has pointed out, “some spiral galaxies are fat and uplift, while other spiral galaxies are flat discs. The galaxy seems so different and Continue reading
93 total views, 2 views today