The Milky Way Galaxy ~ a spiral galaxy consisting of over 400 billion stars , plus gas and dust arranged into three general components as shown to the left: The halo - a roughly spherical distribution which contains the oldest stars in the Galaxy, The nuclear bulge and Galactic Center. The disk, which contains the majority of the stars, including the sun, and virtually all of the gas and dust
Years, A Modified Record Player That Creates Music From a Tree's Growth Rings
It turns out that the supermassive black hole in the center of our Milky Way galaxy hits a star "out of the ballpark" about every 100,000 years. Astronomers have clocked these runaway stars as having enough velocity to escape the galaxy.
This galaxy, nicknamed the "Whirlpool," is a spiral galaxy, like our Milky Way, located about 30 million light years from Earth. This composite image combines data collected at X-ray wavelengths by Chandra (purple), ultraviolet by the Galaxy Evolution Explorer (GALEX, blue); visible light by Hubble (green), and infrared by Spitzer (red). (Credit: X-ray: NASA/CXC/SAO; UV: NASA/JPL-Caltech; Optical: NASA/STScI; IR: NASA/JPL-Caltech)
High levels of moral reasoning correspond with increased gray matter in brain