Vim li cas ob lub snowflakes yeej tsis zoo ib yam?
Vim li cas ob lub snowflakes yeej tsis zoo ib yam?

Video: Vim li cas ob lub snowflakes yeej tsis zoo ib yam?

Video: Vim li cas ob lub snowflakes yeej tsis zoo ib yam?
Video: paum zoo ib yam ua ho zoo nyob sib txawv vim li cas 7 ຕຸລາ 2022 2024, Kaum ib hlis
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Txhua leej txhua tus paub tsis muaj ob snowflakes zoo ib yam, qhov tseeb uas yog los ntawm txoj kev uas cov crystals ua rau saum ntuj. Daus yog ib pawg ntawm cov dej khov nab kuab uas tsim nyob rau hauv qhov chaw thiab khaws lawv cov duab thaum lawv sib sau ua ke hauv ntiaj teb.

Tom qab ntawd, ib tug kuj yuav nug, yog vim li cas tsis muaj ob snowflakes zoo li?

Snowflakes yog tsim thaum daus muaju ua ke, thiab qee qhov muaj ob peb puas muaju. Lo lus qub hais tias " tsis muaj ob lub snowflakes yog zoo ib yam " tej zaum yuav tsis muaj tseeb, tsawg kawg rau cov muaju me me, kev tshawb fawb tshiab qhia. Snowflakes yog tsim thaum snow crystals lo ua ke.

Ib yam li ntawd, cov snowflakes puas zoo ib yam? Tam sim no, nws tsis yog ib txoj cai ntawm xwm uas tsis muaj ob snowflakes tuaj yeem yog tiag zoo ib yam . Yog li ntawd, nyob rau hauv ib tug heev technical theem, nws yog ua tau rau ob snowflakes ua zoo ib yam . Thiab nws yog tag nrho ua tau tias ob snowflakes tau pom indistinguishable. Cov dej molecules hauv a snowflake zoo li cov cib no.

Ib sab ntawm no, puas tau muaj 2 ntawm tib lub snowflakes?

Ib lo lus siv feem ntau hais txog daus yog ob qho ntawd snowflakes yeej tsis muaj zoo ib yam . Txawm li cas los xij, xyoo 1988 Nancy Knight (USA), tus kws tshawb fawb ntawm National Center for Atmosphere Research hauv Boulder, Colorado, USA, pom ob zoo ib yam piv txwv thaum kawm snow crystals los ntawm cua daj cua dub hauv Wisconsin, siv lub tshuab tsom.

Leej twg hais tias tsis muaj ob lub snowflakes zoo ib yam?

Libbrecht pom tias nws tuaj yeem tsim tau ob snowflakes nrog ze tib yam intricate duab thiab qauv. "Kuv pib hu lawv cov menyuam ntxaib zoo tib yam vim tias lawv zoo li cov neeg zoo ib yam," nws hais.

Pom zoo: