New research answers an important detail about how galaxies age, showing that the more advanced a galaxy is, the more chaotic the orbits of its stars collectively become. our sun orbits its center Milky Way galaxy every 225 million years, at an average speed of 514,495 mph (828,000 km/h). Astronomers call this a “galactic year.”… Read More »
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. Astronomers used the Gaia space telescope to peer into some of the earliest building blocks of the Milky Way galaxy: two ancient streams of stars called Shakti and Shiva that helped our galaxy grow and… Read More »
supermassive black hole in our center Milky Way galaxy It spins so fast that it warps space-time into an oval shape reminiscent of an American football (or a rugby ball for non-American readers). The finding comes from a careful study of radio and X-ray observations. According to this Albert Einstein‘S general theory of relativityAs a… Read More »