ScienceDaily: Astronomy News |
- Cassini watches mysterious feature evolve in hydrocarbon sea on Saturn's moon Titan
- Simulations reveal an unusual death for ancient stars
- 'Milky Way explorer' tours the solar system
| Cassini watches mysterious feature evolve in hydrocarbon sea on Saturn's moon Titan Posted: 29 Sep 2014 09:32 AM PDT NASA's Cassini spacecraft is monitoring the evolution of a mysterious feature in a large hydrocarbon sea on Saturn's moon Titan. The feature covers an area of about 100 square miles (260 square kilometers) in Ligeia Mare, one of the largest seas on Titan. It has now been observed twice by Cassini's radar experiment, but its appearance changed between the two apparitions. |
| Simulations reveal an unusual death for ancient stars Posted: 29 Sep 2014 06:05 AM PDT Certain primordial stars -- between 55,000 and 56,000 times the mass of our sun, or solar masses -- may have died unusually. In death, these objects -- among the universe's first generation of stars -- would have exploded as supernovae and burned completely, leaving no remnant black hole behind. |
| 'Milky Way explorer' tours the solar system Posted: 26 Sep 2014 12:04 PM PDT Imagine seeing the Sun, planets, and a myriad other objects in our Solar System as you have never seen them before -- in invisible radio light! The National Radio Astronomy Observatory released a new Solar System installment of its Milky Way Explorer. |
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