ScienceDaily: Galaxies News |
| Milky Way core drives wind at 2 million miles per hour Posted: 05 Jan 2015 03:25 PM PST At a time when our earliest human ancestors had recently mastered walking upright, the heart of our Milky Way galaxy underwent a titanic eruption, driving gases and other material outward at 2 million miles per hour. Now, at least 2 million years later, astronomers are witnessing the aftermath of the explosion: billowing clouds of gas towering about 30,000 light-years above and below the plane of our galaxy. |
| Hubble's high-definition panoramic view of Andromeda galaxy Posted: 05 Jan 2015 03:25 PM PST The largest NASA Hubble Space Telescope image ever assembled, this sweeping view of the Andromeda galaxy (M31) is the sharpest large composite image ever taken of our galactic neighbor. Though the galaxy is over 2 million light-years away, the Hubble telescope is powerful enough to resolve individual stars in a 61,000-light-year-long section of the galaxy's pancake-shaped disk. |
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