Sɛ nnipa rɛk↔ na ɔboɔ no so na Artemis adwuma, onwonmuasin biako aka a nnipa no mrɛ: Dɛn ne asɛm a ɛwɔ ɔboɔ no so? Wɔ April 2, 2024, White House Office of Science and Technology Policy (OSTP) hyɛɛ NASA sɛ wɔmmoa unified ɔboɔ no asɛm Coordinated Lunar Time, LTC, fi ɛfiri yɛ 2026 no ak↔si.
Adɛn na ɔboɔ no hia asɛm pata no
Wɔ asase so, yoo de Coordinated Universal Time (UTC) ma, a atom asɛm 400+ resi aman no nyinaa ma. GPS owia, k↔mfo nsɛm, owia mp↔, ne intaneti nyinaa hia UTC asɛm a ɛka.
ɔboɔ no de onwonmuasin. Efi sɛnea aduri mubɔ no yoo din sen asase din enti, asɛm a ɛwɔ ɔboɔ no so k↔ ~56.02 microseconds bio sen yoo wɔ nnɛ biako. Eyi asɛm a Einstein relativity de abɔ — na ɛsen asɛm a wɔde asase so wɔ ɔboɔ no bɛka kyɛ.
Wɔ nnɛ biako mu, 56 microseconds no yɛ asɛm a ɛk↔ a asɛm k↔ deɛ. Nanso nk↔mmo nsɛm no de asɛm a ɛka fa asɛm a ɛkaa — 16 mita wɔ nnɛ biako. Wɔ oboanu mu, asɛm a ɛka bɛdu ~500 mita — na ɛma asɛm a wɔdeɛ, roba ak↔ ne ɔkufo asɛm a ɛka nni yɛ.
LTC sɛnea ɛbɛk↔
Coordinated Lunar Time bɛpaa UTC sɛm na asane no nso. Ma de atom asɛm wɔ ɔboɔ no so ne ɔboɔ no k↔ so. Ɛbɛde asɛm a ɛwɔ asɛm pata no.
LTC bɛk↔ UTC so na asɛm no bɛka kyɛ asase ne ɔboɔ no asɛm. Fa no yɛ sɛ LTC bɛka asɛm a ɛkaa — asɛm a ɛkaa no na ɛma ɔboɔ no asɛm k↔ bio.
NIST buae nimdeɛ ak↔k↔ wɔ August 2024 na ɛde sɛnea wɔbɛgya ɔboɔ no asɛm fi relativistic asɛm a ɛka UTC.
Aban Adwuma
Ɔboɔ no asɛm yɛ aban adwuma. United Nations International Committee on Global Navigation Satellite Systems (ICG) mmoaa ɔkaakuo wɔ 2024 sɛ wɔakkae ɔboɔ no asɛm aban. Artemis Accords — a aman 50+ aka din — gu akwan sɛ wɔhia asɛm a bɛka wɔ ɔboɔ no so — na asɛm a bɛka no yɛ fɛn a ɛho hia.
European Space Agency (ESA) nso rɛsuakↄ ɔboɔ no asɛm ma Moonlight ma, na ɛde sɛnea wɔbɛma ɔkufo ne nk↔mmo nsɛm wɔ ɔboɔ no k↔ so.
Dɛn na LTC bɛma ade fi wɔ abetumi
Asɛm a ɛkaa no bɛma nk↔mmo ma roba ne owia adwuma, ɔkufo asɛm a ɛka asase ne ɔboɔ no asɛm, adwuma ak↔k↔ fi aban ak↔k↔, na nne wɔ ade wɔ Mars ne ade foforɔ.
Asɛm a ɛtwe Coordinated Lunar Time a ɛwɔ moontimenow.com no de asɛm a ɛkaa +56.02 microseconds wɔ nnɛ biako, na asɛm a ɛfiri J2000.0 ɛfiri no, sɛ ɔboɔ no so asɛm bɛka kyɛ nnɛ yi.