ScienceDaily: Galaxies News |
- Magnetic 'force field' shields giant gas cloud during collision with Milky Way
- Could a Milky Way supernova be visible from Earth in next 50 years?
- Suzaku study points to early cosmic 'seeding'
| Magnetic 'force field' shields giant gas cloud during collision with Milky Way Posted: 31 Oct 2013 12:34 PM PDT Doom may be averted for the Smith Cloud, a gigantic streamer of hydrogen gas that is on a collision course with the Milky Way Galaxy. Astronomers have discovered a magnetic field deep in the cloud's interior, which may protect it during its meteoric plunge into the disk of our Galaxy. |
| Could a Milky Way supernova be visible from Earth in next 50 years? Posted: 31 Oct 2013 09:46 AM PDT Astronomers have calculated the odds that, sometime during the next 50 years, a supernova occurring in our home galaxy will be visible from Earth. The good news: they've calculated the odds to be nearly 100 percent that such a supernova would be visible to telescopes in the form of infrared radiation. The bad news: the odds are much lower -- dipping to 20 percent or less -- that the shining stellar spectacle would be visible to the naked eye in the nighttime sky. |
| Suzaku study points to early cosmic 'seeding' Posted: 31 Oct 2013 08:07 AM PDT Most of the universe's heavy elements, including the iron central to life itself, formed early in cosmic history and spread throughout the universe, according to a new study of the Perseus Galaxy Cluster using Japan's Suzaku satellite. |
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