ScienceDaily: Astronomy News |
- Earth's water is older than the sun: Likely originated as ices that formed in interstellar space
- Amino acids? Interstellar molecules are branching out
- A galaxy of deception: Hubble snaps what looks like a young galaxy in the local Universe
| Earth's water is older than the sun: Likely originated as ices that formed in interstellar space Posted: 25 Sep 2014 11:12 AM PDT Water was crucial to the rise of life on Earth and is also important to evaluating the possibility of life on other planets. Identifying the original source of Earth's water is key to understanding how life-fostering environments come into being and how likely they are to be found elsewhere. New work found that much of our solar system's water likely originated as ices that formed in interstellar space. |
| Amino acids? Interstellar molecules are branching out Posted: 25 Sep 2014 11:12 AM PDT Scientists have for the first time detected a carbon-bearing molecule with a 'branched' structure in interstellar space. The discovery of iso-propyl cyanide opens a new frontier in the complexity of molecules found in regions of star formation, and bodes well for the presence of amino acids, for which this branched structure is a key characteristic. |
| A galaxy of deception: Hubble snaps what looks like a young galaxy in the local Universe Posted: 25 Sep 2014 07:21 AM PDT Astronomers usually have to peer very far into the distance to see back in time, and view the Universe as it was when it was young. This new image of galaxy DDO 68, otherwise known as UGC 5340, was thought to offer an exception. This ragged collection of stars and gas clouds looks at first glance like a recently-formed galaxy in our own cosmic neighborhood. But, is it really as young as it looks? |
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