History Early 20th century. Prior to the 20th century, the notion that galaxies existed beyond our Milky Way was not well established. In fact, the idea was so controversial at the time that it led to what is now heralded as the "Shapley-Curtis Great Debate" aptly named after the astronomers Harlow Shapley and Heber Doust Curtis that debated the nature of "nebulae" and the size of the Milky "I'm high I'm from outa space I got Milky way for blood evolution in my vein"tiktokIniko - Jericho (Lyrics)Iniko - JerichoGet/Listen it here:here: https://in The Hubble Skymap puts the night sky at your fingertips any time of day. Roam the Milky Way to find a selection of galaxies, stars, nebulae and more, and click for a Hubble's-eye-view of each object. To explore the skymap, scroll, double click, or pinch/swipe to zoom in and out. Roll over an icon to see the object, click to zero in, and click The sun rotates around the center of the Milky Way Galaxy at a distance of about 30,000 light-years from the center (1 light year=9.5x10^15 meters). If it takes about 200 million years to make one rotation, estimate the mass of our Galaxy. Assume that the mass distribution of our Galaxy is concentrated mostly in a central uniform sphere. According to Hubble's classification system, the Milky Way is a spiral galaxy, although more recent mapping evidence indicates that it may be a barred spiral galaxy. The Milky Way has more than hundreds of billions of individual stars. It's approximately 100,000 light-years in diameter, and the sun is located about 28,000 light years from the Our solar system is located roughly three-quarters of the way to the Milky Way’s edge, says Reid. It takes the sun about 250 million years to make one rotation around the galaxy. astrophysics The New History of the Milky Way Over the past two years, astronomers have rewritten the story of our galaxy. A large Milky Way–like galaxy collides with a smaller dwarf galaxy in this digital simulation. Astronomers believe that at least one major collision like this happened early in the Milky Way’s development. Our galaxy is a highly evolved entity. Not merely a ran-dom assortment of stars, like so many grains of sand on a beach, it is an elegant structure that shows both order and complexity. We know Cosmic Calendar. The Cosmic Calendar is a method to visualize the chronology of the universe, scaling its currently understood age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science . In this visualization, the Big Bang took place at the beginning of January 1 at The planets orbit the Sun in a fairly flat plane. How does that plane relate to the orientation of the Milky Way? If we could see the Sun moving among our ni NVF6.