InotungamirwaSainzi

Ndezvipi asteroids uye chii chinozivikanwa pamusoro pavo?

Ndezvipi asteroids? Chinhu chokutanga Ndinoda kutaura kuti dzinonzi matombo miviri yakasimba kuti kufamba kuburikidza gwenya kutenderera elliptically yakaita mapuraneti. Zvisinei, nzvimbo asteroids vane saizi duku zvikuru pane Chokwadi, mapuraneti pachavo. dhayamita wavo conventionally pamusoro zvinotevera neeSultan: kubva shoma mumari metres zviuru makiromita.

Kushamisika zvinotaurwa asteroids, uye vanhu vasingagoni kubatsira kufunga kupi izvi zvose vakauya shoko rokuti, zvazvinoreva. Iye anoshandura se "nyeredzi-zvakadai", uye akatanga naye XVIII remakore zvomuchadenga anonzi William Herschel.

Comets uye asteroids zvingava kuonekwa sezvo manyuko zvimwe, kana kusatonzwa inopenya nguva chiedza. Kunyange zvazvo mune zvinoonekwa Range Data mitumbi yokudenga regai dzinozopenya - chete anoratidza chiedza chezuva unowira pamusoro pavo. Zvinofanira kucherechedzwa kuti comets vakasiyana asteroids. Chokutanga - ndiko zvavo zvakasiyana chitarisiko. Kometi nyore kucherechedzwa nenzira unopenya neerekitironi muswe zvinobudamo.

Vazhinji asteroids, izvo zvinozivikanwa kuti vanoongorora nyeredzi nhasi, zvinofamba pakati kutenderera Jupiter uye Mars kure vanenge 2.2-3.2 uye. e. (kureva, muchadenga dzakabatana) kubva zuva. To musi, masayendisiti vakawana vanenge 20 zviuru asteroids. Vakanyorwa muzana makumi mashanu chete. Ndezvipi asteroids pamwe Kunyoresa? muviri iyi yokudenga, iyo basa nhamba, uye dzimwe nguva kunyange dzavo mazita. kutenderera dzavo zvakagadzirirwa dzakakwirira zvikuru zvakarurama. Zvinofanira kucherechedzwa kuti miviri izvi zvomuchadenga kazhinji mazita kuti kutorwa vawana dzavo. Mazita asteroids tora, kazhinji kubva mungano yechiGiriki.

Yose zvayo, kubva tsanangudzo kupfuura, zviri pachena kuti asteroids dzakadaro. Asi chii chimwezve kwese kwavari?

Somugumisiro humboo kuti zvaanorumbidza miviri yokudenga kuburikidza teresikopu zvakanzi yakawanikwa inonakidza chokwadi. Nokupenya vakawanda asteroids zvinogona kuchinjwa, uye munguva pfupi zvikuru nguva - ichi zvinotora mazuva anoverengeka kana kunyange maawa akawanda. Masayendisiti refu hypothesized kuti kuchinja aya kudzvokora pakati asteroids dzinoitwa kutenderera yavo. Zvinofanira kucherechedzwa kuti zvinokonzerwa - wokutanga chaizvo - zvavo kwemashifiti zvitarisiko. Uye mifananidzo yokutanga iyo mitumbi izvi zvomuchadenga (mifananidzo vanotorwa norubatsiro vakabatwa chitundumusere-musere), akasimbisa pfungwa iyi, asi akaratidzawo zvinotevera: pemvura asteroids zvachose vakachera craters yakadzika uye craters ose inosiyana.

Kudeuka asteroid yakawanikwa redu renzou, kamwe nezvomunda yokudenga muviri Ceres, riri pamusoro kukura 975 X 909? Km. Asi kubva 2006 yava nokugamuchira yakasiyana hweHIV. Uye akazozivikanwa kuva pfupi nyika. Rimwe asteroid guru zviviri (pasi mazita Pallas uye Vesta) kuva dhayamita 500 makiromita! Tinofanirawo kuziva mumwe dzinonakidza chokwadi. Chokwadi chokuti West - the asteroid chete kuti chaizvoizvo chaichengetwa chinoabatsira.

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