ScienceDaily: Stars News |
| Hubble watches super star create holiday light show Posted: 17 Dec 2013 07:40 AM PST This festive NASA Hubble Space Telescope image resembles a holiday wreath made of sparkling lights. The bright southern hemisphere star RS Puppis, at the center of the image, is swaddled in a gossamer cocoon of reflective dust illuminated by the glittering star. Hubble took a series of photos of light flashes rippling across the nebula in a phenomenon known as a "light echo." |
| Massive stars mark out Milky Way's 'missing arms' Posted: 17 Dec 2013 05:50 AM PST A 12-year study of massive stars has reaffirmed that our Galaxy has four spiral arms, following years of debate sparked by images taken by NASA's Spitzer Space Telescope that only showed two arms. |
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