Earth-like planets within the liquid water habitable zone of M type stars may evolve into synchronous rotators.
The detection of small planets orbiting nearby stars is an important step towards the identification of Earth twins.
In 1930, Albert Einstein was asked for his opinion about the possibility of life elsewhere in the universe. "Other beings, perhaps, but not men," he answered. Then he was asked whether science and religion conflict. "Not really, though it depends, of course, on your religious views."
The international Cassini mission has revealed that a giant, toxic cloud is hovering over the south pole of Saturn's largest moon, Titan, after the atmosphere has cooled in a dramatic fashion.
Identifying the source of Earth's water is central to understanding the origins of life-fostering environments and to assessing the prevalence of such environments in space.
Clouds have an important role in the atmospheres of planetary bodies. It is expected that, like all the planetary bodies in our solar system, exoplanet atmospheres will also have substantial cloud coverage, and evidence is mounting for clouds in a number of hot Jupiters.
Exoplanets are now being discovered in profusion. However, to understand their character requires spectral models and data.
We propose a method to distinguish between cloudy, hazy and clearsky (free of clouds and hazes) exoplanet atmospheres that could be applicable to upcoming large aperture space and ground-based telescopes such as JWST and E-ELT.
Studying exoplanets with their parent stars is crucial to understand their population, formation and history. We review some of the key questions regarding their evolution with particular emphasis on giant gaseous exoplanets orbiting close to solar-type stars.
A Virginia Tech geobiologist with collaborators from the Chinese Academy of Sciences have found evidence in the fossil record that complex multicellularity appeared in living things about 600 million years ago.
Scientists from the Max Planck Institute for Radio Astronomy, Cornell University, and the University of Cologne have for the first time detected a carbon-bearing molecule with a "branched" structure in interstellar space.
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