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Exoplanet's Spectrum Revealed

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MUNICH, Germany, Jan. 13, 2010 – By studying a triple planetary system that resembles a scaled-up version of our own sun's family of planets, astronomers have been able to obtain the first direct spectrum of a planet orbiting a distant star, thus bringing new insights into the planet's formation and composition. The result represents a milestone in the search for life elsewhere in the universe. "The spectrum of a planet is like a fingerprint. It provides key information about the chemical elements in the planet's atmosphere," said Markus Janson, lead author of a paper reporting the new findings. "With this information,...Read full article

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    Published: January 2010
    Glossary
    astronomy
    The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    spectrum
    See optical spectrum; visible spectrum.
    asteroid beltastronomyatmospheric dust cloudsBasic ScienceCarolina Bergforscompanion planetsenergyESOEupopean Extremely Large TelescopeEuropeEuropean Southern ObservatoryexoplanetsGermanygreen photonicsHR 8799ImagingJupiterKuiper beltMarkus JansonNACO adaptive opticsNews & FeaturesOpticsphotonicsplanets compositionResearch & TechnologyspectrumSPHERESunSun-like starTest & MeasurementVery Large TelescopeVLT

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