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Hot Topic Deep Space New Planets JPL Wants To FINESSE Info From Exoplanets
 
JPL Wants To FINESSE Info From Exoplanets
Source: Universe Today news story
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New Planets
Posted:   05/20/12

Summary: A new mission proposed as part of NASA's Explorers program could help gather data that would greatly aid in the search for habitable, extrasolar worlds. FINESSE would be the first mission dedicated to studying atmospheres on worlds around distant stars.


FINESSE would observe exoplanets from a position in low-Earth orbit. Credit: NASA/JPL-Caltech
Part of NASA’s Explorers program, FINESSE — which stands for (take a deep breath) Fast INfrared Exoplanet Spectroscopy Survey Explorer — would gather spectroscopic data from 200 known exoplanets over a two-year period, helping scientists to determine the composition of their atmospheres, surfaces, and even their weather. The data could bring astrobiologists closer to identifying habitable extrasolar worlds around distant stars.

While huge discoveries have been made by both ground- and space-based telescopes like Kepler and Corot over the past several years, identifying thousands of exoplanetary candidates, FINESSE will be the first mission dedicated to finding out what the atmospheres are like on worlds outside our solar system.

Using a sensitive spectrograph covering 0.7-5.0 microns, FINESSE will be able to identify molecular bands of water, methane, carbon monoxide, carbon dioxide, and other molecules. Its sensitivity and stability will even allow it to detect the differences between an exoplanet’s day and night side, allowing wind flow and weather to be determined.

“FINESSE is the next step in humankind’s journey of understanding our place in the cosmos.”

- Mark Swain, principal investigator for FINESSE

Known as an Offner spectrometer, the design of the FINESSE detector is derived from the Moon Mineralogy Mapper instrument, which was designed at JPL and flew to the Moon aboard India’s Chandrayaan-1 spacecraft.

Touted as “the next step” in exoplanetary exploration, FINESSE is proposed for launch in October 2016.

Learn more at JPL’s FINESSE site: http://finesse.jpl.nasa.gov/


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