Pazuva rimwe nemapondo 29.53, mwedzi inoshandura senziro yevara — kubva invisible new moon kusvika brilliant full moon uye kudzoka. Izi mhuri yava ngozi kukunhuwira, navigation, uye kalenda nemakore. Zvino, Moon Phase Calendar inokunamatira mhuri yese neruzivo rwakasimba rwevwa.
Inguva Yei Mwedzi Ine Mhuri
Mwedzi haichirudzi mamwe — inonzwira mwenje mune shava. Zvino mwedzi inotaura pasi, mahare akasiyana yemwenje side inosiya kwa isu, ichivigira senziro yemhuri.
Panguva ipi yevhu, chikwata chavhu rinomhanya shava (mahare anosinga shava). Mhuri isu tinosiya inoshvumanidza angle pakati peshava, pasi, nemwedzi. Mwedzi ari pakati pepasi neshava, tinosiya mahare akanyorwa — new moon. Pasi ari pakati pemwedzi neshava, tinosiya mahare anonzwira — full moon.
8 Mwedzi Mhuri yeSenziro
New Moon — Mwedzi ari pakati pepasi neshava. Mahare anonzwira akafamba kubva kwa isu, ichiita mwedzi isisine kuonekwa (0% muchenjeri). Iyi inosiya Zuva 0 yesenziro.
Waxing Crescent — Chizveruzvu chmwenje chinongozivika kumhiri yekunyemata yemwedzi (pamusoro pezasi zeshona). Muchenjeri unowedza kubva 0% kusvika 50%. Crescent mwedzi inogona kuitariswa mushure mesun.
First Quarter — Chikwata chavhu yemwedzi chive muchenjeri (50%). Kunyangwe "quarter," chavhu mwedzi chochochemberi — inodaidwa "first quarter" nekuti mwedzi ari quarter yesenziro.
Waxing Gibbous — Zvikwata zvepasi zvichenjeri, inowedza full. "Gibbous" kubva Latin igama "hump."
Full Moon — Chavhu chese chemwedzi chine muchenjeri (100%). Mwedzi inotanga paduwi uye inoposwa sunup, ichipa kugona panguva yose. Iyi inogara panzvika 14.8 yesenziro.
Waning Gibbous — Muchenjeri unodikidzira kubva full. Mahare anonzwira akachengedza kuruboshwe.
Last Quarter — Chavhu chemwedzi chine muchenjeri (50%), asi inotevera mahare kunokuda kwefirst quarter. Mwedzi iri mitatu quarters yesenziro.
Waning Crescent — Chizveruzvu chine muchenjeri chechasara, chakoonekwa mushure masun. Senziro pooqa inotangira new moon.
Synodic Mwedzi
Senziro yavara — kubva new moon kusvika lea — inodaidwa synodic mwedzi, uye inorarama kana 29.53 zuva (29 zuva, 12 hours, 44 miniti). Iyi inoshiba sidereal mwedzi (27.32 zuva), inofananidza zuva iri kutsagisa pasi relative kuzvitenda.
Synodic mwedzi ndeye kunyanya nekuti mwedzi inotaura pasi, pasi ichotanziira orbit kusvika shava. Mwedzi inoda enhancements ~2.2 zuva kuti "catch up" uye kudzoka paangle sun-Earth-Moon.
Mwedzi Mhuri neMatides
Mwedzi mhuri inoshvumanidza senziro yechivara pasi. Pakunhuwira new moons nefull moons, shava nemwedzi zviramanyani, uye gravity zvawo inopurisa zvichitura inovigira tides yakavara. Pamhuri yequarter, shava nemwedzi zviratangira angle, achikupa zviguta, inovigira tides isikupete.
Gravity interaction iyi inovumidzira inguva mwedzi inosiya pasi — kana 3.8 sentimeters gore — uye inguva rotation yepasi inosiga.
Kutsagisa Mwedzi Mhuri
Mwedzi Mhuri Kalenda pasaiti iyi inotsvagisa iminikira yevara ichinoshandisa Meeus astronomical algorithm. Unogona kuona zuva-negwana muchenjeri fesiendi, iminikira yevara major events, uye lunar day zvino. Kusarudza zvikwara zvemethod, taurira Inguva ye Lunar Inotsvagiswa Zvai.