[01] Anakalyfqhke dynhtika katoikhsimos planhths

O ejwplanhths aytos, o opoios brisketai se troxia gyrw apo ton astera Gliese 581 (Gl 581) se apostash 20,5 etwn fwtos apo ton diko mas planhth, einai o prwtos apo toys peripoy 200 gnwstoys mexri shmera planhtes, poy ``diaqetei taytoxrona ygrh kai stereh epifaneia kai mia qermokrasia poy proseggizei ayth ths Ghs'', kai malista einai o elafryteros apb oloys aytoys, tonizoyn oi eidikoi.

O planhths aytos sygkentrwnei xarakthristika ``poy epitrepoyn stoys eidikoys na fantazontai oti einai piqano na yparxei ejwghinh zwh'', tonizei se anakoinwqen toy to galliko Eqniko Kentro Episthmonikhs Ereynhs (CNRS), toy opoioy tria ergasthria synergasthkan me ereynhtes apo to Asteroskopeio ths Geneyhs kai toy Kentroy Astronomias ths Lissabonas.

H mesh qermokrasia ayths ths ``Yper-Ghs kymainetai metajy 0 kai 40 baqmwn Kelsioy, gegonos poy synhgorei yper ths yparjhs neroy sthn epifaneia ths'', tonizei o kyrios syntakths ths ekqeshs ayths, Stefan Oyntri toy Asteroskopeioy ths Geneyhs.

Epipleon, prosqetei o idios, ``h aktina toy einai 1,5 fora megalyterh ths Ghs, oper shmainei pws ``eite prokeitai gia mia petrwdh synqesh opws ths Ghs, eite gia mia epifaneia kalymmenh apo wkeanoys''.

H barythta ths epifaneias toy planhth aytoy einai 2,2 fores megalyterh ths Ghs, omws h maza toy einai isxnoterh (5,5 fores ayth ths Ghs).

Anakalyfqeis apo to thleskopio Harps toy Eyrwpaikoy Diasthmikoy Parathrhthrioy sto Silia ths Xilhs, o planhths aytos symplhrwnei mia peristrofh toy gyrw apo ton Gliese 581 se 13 hmeres, enw einai 14 fores pio kontinos sb ayton apb oti einai h Gh ston Hlio mas.

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