Peb puas pom cua daj cua dub?

Cov txheej txheem:

Peb puas pom cua daj cua dub?
Peb puas pom cua daj cua dub?
Anonim

Airglow tig up in our time exposure photographs ntawm lub ntuj hmo ntuj li ghostly ripples of aurora-like light about 10-15 degrees saum qab ntug. Nws zoo sib xws rau lub aurora yog tsis coincidence. … Qhov ntawd tsis yog hais tias airglow yooj yim pom!

Koj puas pom airglow?

Nws yeej tsis tsaus ntuj thaum hmo ntuj vim muaj cov nyhuv hu ua airglow. Airglow zoo ib yam li cov xim aurora, tab sis koj tsis tas yuav mus xyuas thaj tsam qaum teb kom pom nws. Thaum lub aurora yog lub teeb tso tawm los ntawm kev sib cuam tshuam ntawm magnetosphere thiab hnub ci cua, airglow yog ib daim ntawv ntawm chemiluminescence.

Airglow Nws tshwm sim li cas?

Airglow yog lub ntuj "glowing" ntawm lub ntiaj teb cua. Nws tshwm sim txhua lub sijhawm thiab thoob plaws ntiaj teb. … Hnub ci tsim thaum lub hnub ci tawm tsam qhov chaw nruab hnub. Qee lub hnub ci yog absorbed los ntawm cov molecules nyob rau hauv cov huab cua, uas ua rau lawv ntau zog. Lawv zoo siab heev.

Qhov txawv ntawm airglow thiab aurora yog dab tsi?

Lub aurora yog cov qauv zoo heev (vim lub ntiaj teb magnetic teb); whereas airglow feem ntau zoo ib yam. Qhov twg ntawm aurora yog cuam tshuam los ntawm lub zog ntawm lub hnub ci cua; whereas airglow tshwm sim txhua lub sijhawm.

Dab tsi yog xim ionosphere?

Qhov no yog txheej plaub ntawm huab cua. Nws ncua 80km-400km ntawm qhov chaw. Sau nws lub ionosphere thiab xim nws pink.

Pom zoo:

Nthuav cov khoom
Puas yog homomorphism tib yam li isomorphism?
Nyeem ntxiv

Puas yog homomorphism tib yam li isomorphism?

Isomorphism yog homomorphism tshwj xeeb. Greek keeb kwm "homo" thiab "morph" ua ke txhais tau tias "zoo tib yam." Muaj ob qhov xwm txheej uas homomorphisms tshwm sim: thaum ib pab pawg yog ib pawg ntawm lwm pawg;

Yuav tau sawv los yog tshwm sim?
Nyeem ntxiv

Yuav tau sawv los yog tshwm sim?

Peb hom tshwm sim yog arise, sawv, arisen. Nws yog siv hauv cov ntsiab lus tseem ceeb: Ib lub sijhawm tshwm sim thiab nws txiav txim siab los ua txoj haujlwm hauv Brussels. Ib qho teeb meem tshwm sim nrog kuv daim ntawv hla tebchaws. Koj siv arose hauv kab lus li cas?

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?
Nyeem ntxiv

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?

Cov leeg nqaij gastrocnemius flexes ko taw ntawm pob qij txha- uas yog nws ua rau taw taw ko taw nqes los ntawm khoov nws ntawm pob taws pob taws, xws li thaum koj sawv ntawm koj. cov ntiv taw. Qhov kev txiav txim no hu ua plantar flexion. Lub gastrocnemius kuj flexes ceg ntawm lub hauv caug sib koom.