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Battleground Europe: Zarmina

image HARPS spectrograph installed on the telescope

3.6-meter La Silla Observatory (Chile). Credits:

European Southern Observatory (ESO)

seems that we have Gliese 581-g for a while ... As if it were a Ryder Cup, the battle between Europe and the United States presents itself as an endless tug of war. yet confirmed the existence of the exoplanet and and has been referred to colloquially as Zarmina.

all started in September 2010 when Steven Vogt and his team published an article claiming to have discovered The exoplanet Gliese 581-g. Soon after, we analyzed the star orbited with HARPS , the instrument on the ground that most exoplanets discovered to date y. .. no trace of Zarmina.

Now a U.S. team that participates in the English Mercedes López Morales (IEEC-CSIC) and not only confirms the existence of Gliese 581-g but it makes a correction of the size of the extrasolar planet in question. These new studies are published in Astrophysical Journal . As I have read in the newspaper Public , López Morales thinks that if we could travel to Gliese 581-g "would be like being in the Canary Islands, as they'd have a limit temperatures of -9 ° C and 51 º C. But even if I had areas of 25 º C as the archipelago, I doubt that, in the case of absence of the exoplanet, its atmosphere is so peaceful and it is ours.

Moreover, Phillip Gregory, University of British Columbia (Canada) has been collating data from different telescopes we have obtained data from exoplanet Zarmina course and come to a conclusion: there is only Gliese 581-g but not Gliese 581-f, S. Vogt announced simultaneously.

in the daily also Public said about this battle exoplanet expert at astrophysicist and alien to the two investigations Ignasi Ribas (IEEC-CSIC) where he stated that "the U.S. team. UU. Calculated completely circular orbits for the planets of Gliese 581, but when used other elliptical, more like what we see in other solar systems, Gliese 581-g disappears. "

Web

The RTVE , I have read that S. Vogt believes there is "a 100% chance that life exists" in the newly named Zarmina. Before making such an assertion, a scientist should await verification by other scientists that not be corroborated, the larger the claim, the bigger the bang and this could undermine the researcher's scientific career.

If I opt for one of two teams who deal in this battle, I do it for the old continent, mostly because I think need to be confirmed by another research team considered valid for an investigation. Also, if there really Zarmina, HARPS have detected any indication of the exoplanet, but this has not happened.

With the announcement in September 2010 the "discovery" of Gliese 581-g started a space race. This time there is between the U.S. and Russia since in this case Europe has relieved the Soviet country. This new race has a much more ambitious goal: to find a planet where there are real possibilities of existence of life. The race has begun, and the struggle to defend and dismiss Zarmina is the first step and now need to see who gets the upper hand, but above all, to see how long it takes to reach the goal. ---


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