Nyika-yakafanana nepasi pakona

Nyanzvi dzenyeredzi dziri kushanda muchikwata chinoshandisa materesikopu eESO pamwe chete nedzimwe nzvimbo dzekuona dzakagamuchira humbowo hwakajeka hwepasi rinotenderera nyeredzi iri pedyo nesolar system, Proxima Centauri, "chete" zvishoma anopfuura makore mana echiedza kubva paNyika.

Exoplanet, ikozvino yakasarudzwa se Proxima Centauri b, inotenderera inotonhorera dzvuku dzvuku mumazuva 11,2 uye yakaonekwa iine tembiricha yepamusoro yakakodzera kuvepo kwemvura yemvura. Masayendisiti anozviona sechinhu chinodiwa chekubuda nekuchengetedza hupenyu.

Iyi nyika itsva inonakidza, iyo nyanzvi dzenyeredzi dzinonyora nezvayo mumagazini yaNyamavhuvhu yejenari Nature, ipasi rakakura zvishoma pane Earth uye exoplanet yepedyo inozivikanwa kwatiri. Huremu hwenyeredzi yekumba kwayo ingori 12% yehukuru hweZuva, 0,1% yekupenya kwayo, uye tinoziva kuti inopenya. Inogona kunge yakasungwa nesimba regiravhiti kunyeredzi Alpha Centauri A uye B, dziri kure nemamita 15. mayuniti emuchadenga ((yemuchadenga unit - approx. 150 miriyoni km).

Mumwedzi yekutanga ye2016, Proxima Centauri akaonekwa achishandisa HARPS spectrograph, achishanda pamwe chete neTeresikopu yeESO 3,6-mita paLa Silla Observatory kuChile. Nyeredzi yakaongororwa panguva imwe chete nemamwe materesikopu pasi rose. Mushandirapamwe wose wekucherechedza waive chikamu chechirongwa chinonzi Pale Red Dot. Chikwata chevazivi venyeredzi chinotungamirirwa naGuillem Anglada-Eskud weQueen Mary University kuLondon chakanyora kushanduka kudiki kwemitsara yekuburitsa nyeredzi, zvichikonzerwa neinofungidzirwa kuti isimba rinokwevera zvinhu pasi. kudhonza kwepasi rinotenderera.