Gangale pakutanga akasarudza kupera kwa1975 senguva yekarenda mukucherechedza chirongwa cheAmerican Viking seyekutanga kubudirira (American) nyoro yekumhara basa kuMars (iyo yapfuura 1971 Soviet Mars 3 Landing yakapa masekondi gumi nemashanu chete e data kubva pamusoro penyika). Muna 2002 akagamuchira iyo Telescopic Epoch, yakatanga kukurudzirwa naPeter Kokh muna 1999 uye yakagamuchirwa naShaun Moss muna 2001 yeUtopian Calendar yake, iri muna 1609 mukucherechedza kushandiswa kwaJohannes Kepler kweTycho Brahe's Mars kuongorora kujekesa mitemo yekufamba kwepuraneti, uye zvakare Galileo Galilei's ekutanga kuongorora kweMars ne telescope. Kusarudzwa kweTelescopic Epoch nekudaro kwakabatanidza zvivakwa zveD uye maUtopia makarenda, zvichiramba zviri misiyano yavo yekuzvitumidza. Inodzivirirawo dambudziko remakore mazhinji apfuura ekucherechedza kweMars.
Gore ra1975