Mass nke Earth. The gbaghaa nke ozizi na-agbasa agbasa planet

Dị ka na-adịbeghị anya na mbara igwe mgbakọ, ụwa uka bụ 5,97 × 10 ²⁴ kilogram. Kwa Afọ nha nke a ịdị ukwuu n'ụzọ doro anya na-egosi na ọ bụghị nnọọ mgbe nile. Ya data mbio ruo 50 puku tọn kwa afọ. Earth bụ kasị kasị n'obosara, uka na njupụta n'etiti mbara ala nke na terrestrial. N'ime usoro mbara igwe, na mbara ala anyị atọ si Sun na-ise na size n'etiti ndị ọzọ nile. Ọ na-akpali na-elliptical orbit gburugburu Sun na nkezi anya nke 149,6 nde kilomita pụọ.

Ebe ọ bụ na uka nke Earth na-agbanwe agbanwe, e nwere ọtụtụ echiche na ọnọdụ nke mgbanwe ndị a. Na otu aka, a bara uru nọgidere enwekwu ruru nkukota na meteorites na-ere ọkụ nke ikuku, na-ahapụ a nnukwu ego nke ájá edebe na mbara ala. N'aka nke ọzọ, ndị ultraviolet anyanwụ radieshon mgbe niile gbawara mmiri ụmụ irighiri na elu ikuku, n'ime oxygen na hydrogen. Part nke hydrogen ruru ya ìhè ibu na-wetara si na ndọda ubi nke ụwa na-emetụta ya ibu ibu.

Ebe ọ bụ na mmalite nke narị afọ nke 19 na nke ikpeazụ ọtụtụ iri afọ nke narị afọ nke 20 nchepụta nke ịgbasa Earth ọ anọwo nnọọ na-ewu ewu n'etiti ndị ọkà mmụta sayensị na gburugburu ụwa. The amụma nke na-abawanye na olu nke mbara ala mere ka ntule na-enwekwu uka nke Earth. N'oge dum ịdị adị nke ozizi ise dị iche iche ndị ọkà mmụta sayensị na-amụ ya nhọrọ ọ e aro. Ọtụtụ ndị a ma ama na-eme nnyocha dị otú ahụ dị ka Kropotkin, Milanovsky, Steiner na Schneider, rụrụ ụka, mmụba nke ụwa ya cyclical fluctuations. Dakill, Myers, Clube na Napier kọwara nke a ọtụtụ ndị chere na-na-adịgide adịgide jikọọ na ụwa nke meteorites na asteroids. The kasị ewu ewu na nchepụta nke mgbasa e kọrọ na mbụ isi nke mbara ala anyị gụnyere superdense okwu, nke bụ na usoro evolushọn ghọọ a nkịtị ihe onwunwe, na-eme nwayọọ nwayọọ mmụba nke Earth. Ke akpatre afọ 50 nke ikpeazụ nke narị afọ, ọtụtụ eminent physics dị ka Dirac, Jordan, Dicke, Ivanenko na Saggitov, kwupụtara echiche na ike ndọda mbelata na oge, na nke a na-eduga ná a eke mmụba nke planet. Ọzọ amụma bụ uche Kirillov Neumann Blinov na Veselova na mmụba nke Earth mere site cosmological ihe metụtara afọ-ochie evolutionary abawanye na ya ibu ibu. Taa, a nnukwu ego nke na-egosi iji gbaghaa ndị a echiche.

Ozizi nke ịgbasa nke mbara ala, dabeere na eziokwu ahụ bụ na uka nke Earth bụ mgbe niile na-amụba, ugbu a akpatre efu arịrịọ ya. International otu, esịnede ndị kasị mma ndị ọkà mmụta sayensị na ụwa, n'ikpeazụ enen ya, n'ihi ya taa, a echiche nwere ike n'udo aga na shelf na nkà mmụta sayensị-edebe ihe ochie.

Dị ka ọgwụgwụ nke Geophysicists otu onye na-eduzi ọmụmụ na-enyemaka nke oge a ohere ugbo ala, uka nke mbara ala Earth ọ dịtụ mgbe nile. Onye na-arụ nke otu n'ime nnyocha laboratories W. Xiaoping na ibe ya bipụtara otu isiokwu bụ nke o kwuru na ofu mmajijiji okirikiri nke Earth agabigaghị 0,1 mm (ọkpụrụkpụ nke a mmadụ ntutu) na a afọ. Ndị a ọnụ ọgụgụ na-egosi na uka nke Earth adịghị agbanwe na ụkpụrụ na-ekwe ka na-ekwu okwu nke ya mgbasa.