关于这张图
This picture, spanning 50 light-years across, is a mosaic stitched from nine separate images from Hubble’s Wide Field Camera 3. The center of the Milky Way is located 27,000 light-years away. The “snowstorm” of stars in the image is just the tip of the iceberg: Astronomers estimate that about 10 million stars in this cluster are too faint to be captured in this image. Read more: <a href="http://www.nasa.gov/feature/goddard/2016/hubble-s-journey-to-the-center-of-our-galaxy" rel="nofollow">www.nasa.gov/feature/goddard/2016/hubble-s-journey-to-the...</a> <b><a href="http://www.nasa.gov/audience…
