Paise nyika inoshwarwarana kusvika pamberi mwedzi neshume yeArtemis, chirema chakakupa chakakodzera chiri : inguva yei pamberi mwedzi? Muna Apiriri 2, 2024, White House Office of Science and Technology Policy (OSTP) yakatanga NASA kuti imusumire standard yelunar time inoshandiswa kuCoordinated Lunar Time, kana LTC, pamusoro pegore re 2026.
Inguva yei mwedzi inoda ruzivo rwayo
Pasi, tinosundira kuCoordinated Universal Time (UTC), inohechi nenetweki ye400 plus atomic clocks pamusoro pepasi. GPS satellites, financial systems, power grids, neinternet yese inoshvumanidza maruwa akarurama naUTC.
Mwedzi unopa chirema chakasiyana. Nekuda kwekuti gravity pamberi mwedzi iri nyoro kunokuda kwepasi, general relativity inofumidzira kuti fereko pamberi mwedzi inomhanya hafu 56.02 microseconds pazuva repasi. Ichi chinhu — imikirira neAlbert Einstein's general theory of relativity — kumasvomhu kuti relay iri pasi yelunar time kumwedzi ingashirwa neshakiro repasi.
Pazuva rimwe, 56 microseconds inopenyuka zvakakosa. Piti nenavigation systems, drift iyi inogona kukaita kuti pinduke makosa ekutsvagisa zverima zvezana neshure yezuva. Gombi rimwe, errors iri pamusoro pe500 mita — e nokufa kuti precision landings, rover navigation, uye communication relay timing inovhimwa.
Nzira yehurongwa LTC
Coordinated Lunar Time ichavakirwa pansanganisiro dzeUTC asi ichirekerwa kuno lunar environment. Imikiriri inogona kusimbisa anoomi clocks akuswa pamberi mwedzi surface uye orbital. Anoomi iyi ichakosheshwa kuzviruta akarurama zelunar time.
LTC ichakosheshwa nemakupikirira ine magariro nakarurama naUTC saka nguva inogona kusumba pakati pepasi nemwedzi. Chirema chakakosa ndechekuti LTC inotaura relativistic offset — pisa drift inomuka anoomi pamberi mwedzi.
National Institute of Standards and Technology (NIST) yakabumatidza technical framework muna Aughusiti 2024 ichiratidza nzira yemasvomhu yekugona lunar time scale kuUTC relativistic fakti.
Chikwata Chepasi Rose
Lunar timekeeping hachibvi NASA project yavachose. United Nations International Committee on Global Navigation Satellite Systems (ICG) yakaisa chirema muna 2024 chekudza lunar time pamusoro pesenziro. Artemis Accords — yainyoreswa nepamusoro pe50 nyika — inovuma kuti kwaida mapurosa anoshanda pamwechete pamberi mwedzi — uye nguvayakare inopurogisi iyi.
European Space Agency (ESA) ichatarira lunar timekeeping sekwekwekuArtemis initiative, inosunguira kusanganidza communication uye navigation services pamusoro pemwedzi.
Zvinotevera zelunar time LTC
Standard yelunar time ichakosheshwa precision navigation yemapurosa nematambudziro, reliable communication scheduling pakati pepasi nemwedzi, kushanda kusanganisira kubva mune mavhariro akasiyana, uye nekupedzisira bvaki yezuva remwedzi ma Mars nepakati pezuva.