ScienceDaily: Astronomy News |
- Comet ISON brings holiday fireworks
- Inseparable galactic twins
- Dark energy survey set to seek out supernovae
- Cluster spacecraft detects elusive space wind
| Comet ISON brings holiday fireworks Posted: 02 Jul 2013 09:30 AM PDT Superficially resembling a skyrocket, Comet ISON is hurtling toward the Sun at 48,000 miles per hour. In May 2013, the comet was 403 million miles from Earth, between the orbits of Mars and Jupiter. |
| Posted: 02 Jul 2013 07:09 AM PDT Looking towards the constellation of Triangulum (The Triangle), in the northern sky, lies the galaxy pair MRK 1034. The two very similar galaxies, named PGC 9074 and PGC 9071, are close enough to one another to be bound together by gravity, although no gravitational disturbance can yet be seen in the image. These objects are probably only just beginning to interact gravitationally. |
| Dark energy survey set to seek out supernovae Posted: 02 Jul 2013 07:05 AM PDT The largest ever search for supernovae – exploding stars up to 10 billion times brighter than the Sun – is beginning this August. For the next five years, the Dark Energy Survey (DES) will look for these cosmic explosions, which can be used to measure precisely the growth of the universe over time. |
| Cluster spacecraft detects elusive space wind Posted: 02 Jul 2013 07:01 AM PDT A new study provides the first conclusive proof of the existence of a space wind first proposed theoretically over 20 years ago. By analysing data from the European Space Agency's Cluster spacecraft, researchers detected this plasmaspheric wind, so-called because it contributes to the loss of material from the plasmasphere, a donut-shaped region extending above the Earth's atmosphere. |
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