Vesta - wani asteroid bayyane zuwa ga tsirara ido

Vesta - wani asteroid, a mutunta mutane da yawa ban sha'awa. Shi ne kadai irin wannan abu da za a iya gani da ido tsirara. By nauyi, kuma size Vesta m ga mafi sauran san asteroids a cikin sarari tsakanin falakinsu na Jupiter kuma Mars. By ta sigogi shi ne ma kusa da Dwarf duniya. Located a cikin babban asteroid bel, Vesta tana nufin gawarwakin kafa a kusa da daidai wannan lokacin a matsayin Duniya, sabili da haka, za a iya gaya mai yawa game da m da na tsarin mu.

samu

Vesta - wani asteroid, ya gano a cikin tsari na neman wani taurãro tsakanin Mars kuma Jupiter. Bisa ga ka'idar, da rarraba falakinsu a sarari a kusa da rana ne batun wasu dokoki. Duk da aka sani a farkon na XIX karni duniya shige cikin wannan ka'idar. The kawai togiya ne Jupiter kuma Mars. Mafiya sarari tsakanin su ne ya ɓoye wani unknown duniya. A lokacin da ta search for da yawa daga cikin abubuwa na Main aka gano asteroid bel.

Vesta gano a 1807 ta Heinrich Wilhelm Olbers. Wani masanin kimiyya, Carl Gauss, ya ba ta sunan Roman aljanna daga cikin hearth. Sunan makale, kuma har yanzu ana amfani a yau.

sigogi

Bayan Ceres dangana ga Dwarf taurari, Vesta a size ne a karo na biyu wuri a cikin asteroids bayan Pallas. Its sigogi - 578 × 560 × 458 km. M jeri na bangaren na siffar, game da shi hana gubar zuwa wani Dwarf duniya. By nauyi (2.59 × 10 ²⁰ kg) shi ne gaba da kuma palladium, cewa shi ne, a cikin babban asteroid bel fi gaban shi a cikin wannan siga, amma duk da wannan Ceres.

Shin da asteroid Vesta yanayi?

Asteroids ba kawai tsaya fitar a wani aji na wani sarari suKe jikinsu. Daga cikin taurari suka sãɓã wa jũna a kan wani yawan sigogi: size, siffar, nauyi da sauransu. Halaye na wani asteroid, bai ba shi rike da gas ambulan. Saboda haka amsar da tambaya "Shin asteroid Vesta, da yanayi ne" - korau. Musamman tenuous harsashi na gas wanzu a kan Ceres. Sauran jikuna a babban yankin ba zai iya gadara da irin wannan halayyar matsayin asteroid Vesta. Yana yana da yanayi na Duniya, Venus, Mars, gas Refayawa da wasu sahabbai. Asteroids domin shi ne ma kananan.

Yadda za a gani asteroid Vesta?

Vesta saboda haske za a iya gani da ido tsirara. Ko da yake shi ne mafi ƙaranci a size Ceres da Pallas, amma halin da mafi reflectivity. Sauran asteroids tare Duniya ba za a iya gani ba tare da musamman kayan aiki.

Lokaci mafi kyau domin a nemo asteroids a cikin sama - 'yan adawa kwanaki, a lõkacin da ya zo da m nisa ga Duniya. A lokacin wannan lokaci, ta sheki ne ta ƙara zuwa 5,1 m (da ƙaramar darajar wannan siga - 8,5 m). Karshe lokacin da irin wannan adawa da ya faru a watan Afrilu 2014.

Vesta ne kusa da m nisa zuwa wannan duniya tamu sau daya a kowace 3-4 shekaru. Ba tare da wani kawo nesa kusa su kiyaye shi mai yiwuwa ne kawai a cikin yanayi na da kyau ganuwa. A wannan yanayin, shi ba ya bambanta daga talakawa taurari.

motsi

A sarari suKe na Vesta da yake a cikin ciki na babban asteroid bel. Its siffar ne kawai dan kadan mika - shi ne kusan cikakken da'irar. A sarari suKe ne halin da kadan karkatar da ecliptic jirgin sama. Vesta sa daya da juyin juya halin a kusa da Sun cikin 3.6 shekaru. A lokaci guda a lokacin da motsi madawwama biyu na duniya ba haye asteroid.

Space bincike Dawn

A shekarar 2011, a watan Yuli, Vesta shige batu na mafi žarancin nisa daga wannan duniya tamu. Wannan lokaci da aka yi amfani da wani cikakken binciken da asteroid. Baya, a 2007, na tafi zuwa Vesta, Dawn AMC. A manufa na naúra - nazarin asteroid, da kuma Dwarf duniya Ceres.

A madauwari kewayewa Vesta Dawn zo Yuli 16, 2011. By Disamba 12, shi kuma ya zo da m tsawo kan asteroid. Daga cikin ayyuka na naúra kasance ji na gravitational filin, ya tabbatar da dalilin da bakan neutrons da gamma-haskoki bayyana a cikin fall na cosmic haskoki a kan asteroid Vesta. Hotuna da abu ya fara zuwa ga Duniya a kan Disamba 13th.

Dawn AMC bar asteroid 5 Satumba 2012, ya tafi Ceres. Don kwanan (Disamba 2015), da na'ura na ci gaba da aiki a kan madawwama biyu na Dwarf duniya.

showplace

Vesta - wani asteroid hankali "binciki" nesa kusa "Hubble". A nazarin da aka gudanar a 90-ies karni na karshe. "Hubble" ya yi karatu surface na asteroid. A mafi m ɓangare na taimako juya fitar da wata babbar bakin dutse, daga baya mai suna rheasilvia. Next, mai yiwuwa bar kan daga karo, halin da diamita na 460 km da kuma zurfin 13 km. Masana kimiyya har yanzu ba zai iya amsa wannan tambaya na yadda Vesta ya iya tsira irin wannan duka.

Dawn AMC ma karatu da jihar na bakin dutse. Bisa ga zaton da masana kimiyya rheasilvia kafa biliyan daya da suka wuce. Pool bakin dutse partially boyewa wata alama daga wani mafi tsoho tasiri, a bakin dutse mai suna Veneneyya. A tsakiyar rheasilvia shi ne wani tudu 22 km high da 180 km a diamita. By ta sigogi shi ne gaba da giant Olympus a duniyar Mars, a baya dauke da mafi sani dutsen a cikin hasken rana tsarin.

Masana kimiyya theorize cewa abu fitad da tura, aiki a matsayin abu ga abin da ya faru na abubuwa da kuma aji iyali Vesta asteroids V.

Masu bincike bayar da umurni da hankali ga irin abubuwan da za su iya gaya mai yawa game da lokacin da hasken rana tsarin da aka kafa. Vesta - wani asteroid, abun da ke ciki kusa da Duniya-kamar taurari. Mafi m, shi zai gaya Masana ilmin don nazarin da yawa daga cikin m da mu yanki na Galaxy.