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Hot Topic
Deep Space
Alien Life
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| Greenhouse Effect Could Extend Habitable Zone |
| Topic: Alien Life |
08/25/11 |
| Astronomers generally expect planets with liquid water to exist close to their parent star. But new research shows that some planets orbiting at the same distance as Saturn could have lakes and oceans. |
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| Sulfurous Signs of Life |
| Topic: Alien Life |
06/30/11 |
| Sulfurous molecules seen on alien worlds might indicate those distant planets host life, researchers suggest. |
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| Seeing the Planets for the Trees |
| Topic: Alien Life |
05/19/11 |
| A recent study says that a particular mathematical technique could be used to detect forests on extrasolar planets. |
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| Detecting Wandering Worlds That Host Life |
| Topic: Alien Life |
05/12/11 |
| Some planets that roam the galaxy without a star to call home still may be able to host life. Finding such rogue planets is difficult, but new research suggests these wandering worlds could be detected by their atmospheric auroras. |
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| Searching for Alien Life? Try Failed Stars |
| Topic: Alien Life |
03/31/11 |
| Free-floating planets and sub-brown dwarfs – objects with mass midway between planets and stars – could prove fertile grounds for extraterrestrial life, according to a new study. |
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| Astronomer Seeks ET Machines |
| Topic: Alien Life |
10/01/10 |
| If we ever do receive a message from outer space, we´ll want to know what kind of aliens sent it. SETI researcher Seth Shostak says we shouldn´t expect them to be anything like us – in fact, they might not be biological at all, but instead, extraterrestrial machines. |
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| Odds for Life Better in Photosynthesis Zones |
| Topic: Alien Life |
07/22/10 |
| By calculating where photosynthesis might be possible around the galaxy, scientists are developing a new way to figure out where Earth-like planets with life might be located. |
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| Seeing the Closest Aliens Will Take Centuries |
| Topic: Alien Life |
04/29/10 |
| As telescopes become more advanced, we´ll be able to see more details about planets orbiting other stars – including indications that those planets have life. However, it would probably take many centuries before we could actually see the aliens. |
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| How to Respond When E.T. Says Hello |
| Topic: Alien Life |
04/01/10 |
| Scientists are studying the best ways to compose messages meant for alien eyes in case we ever do get the chance to communicate with extraterrestrials. |
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| Avatar´s New Twist on Plants |
| Topic: Alien Life |
03/04/10 |
| Although they're not nominated for an Academy Award, plants play a central role in the blockbuster movie "Avatar." A botanist provided the science behind how these unusual organisms may have evolved. |
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