Qhov twg yog qhov phem tshaj asteroid lossis comet?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

Qhov tseeb, comets tuaj yeem taug kev mus txog peb zaug sai dua NEAs txheeb ze rau lub ntiaj teb thaum lub sijhawm cuam tshuam, Boslough ntxiv. Lub zog tso tawm los ntawm kev sib tsoo cosmic nce ntxiv raws li lub xwmfab ntawm cov khoom nkag tau nrawm, yog li lub hnub qub tuaj yeem ntim cuaj lub zog puas tsuaj ntau dua li ib qho asteroid ntawm tib pawg.

Ib yam li ntawd, koj tuaj yeem nug, qhov twg yog qhov loj dua asteroid lossis comet?

Qhov loj tshaj qhov sib txawv ntawm comets thiab asteroids Txawm li cas los xij, yog qhov lawv tau ua los ntawm. Thaum asteroids muaj cov hlau thiab cov khoom siv pob zeb, comets yog tsim los ntawm cov dej khov, plua plav, cov khoom siv pob zeb thiab cov organic tebchaw. Ntawm qhov tod tes, feem ntau ntawm comets yog nyob rau qhov deb tshaj plaws ntawm peb lub Hnub Ci System: 1.

Ib yam li ntawd, dab tsi yog qhov txaus ntshai tshaj plaws asteroid? Nrog rau txoj kab uas hla ntawm kwv yees li 7 km, Apollo asteroid (53319) 1999 JM8 yog qhov loj tshaj plaws uas paub tias muaj peev xwm ua rau muaj kev phom sij, txawm tias nws qhov loj npaum li cas ntawm 15.2, piv rau lwm cov khoom teev nyob rau hauv cov lus hauv qab no (ceeb toom: xam qhov nruab nrab-inch hauv cov lus yog inferred los ntawm cov khoom.

Dab tsi yog qhov txawv ntawm asteroid thiab comet?

Lub ntsiab qhov sib txawv ntawm asteroids thiab comets yog lawv muaj pes tsawg leeg, raws li nyob rau hauv, dab tsi lawv yog ua los ntawm. Asteroids yog ua los ntawm cov hlau thiab cov khoom siv pob zeb, thaum comets yog ua los ntawm cov dej khov, hmoov av thiab cov khoom siv pob zeb. Ob leeg asteroids thiab comets raug tsim thaum ntxov hauv keeb kwm ntawm lub hnub ci system txog 4.5 billion xyoo dhau los.

Puas yog Comet txaus ntshai?

Ceeb toom. Sib tov cov khoom ntxuav uas muaj tshuaj dawb lossis lwm cov pa oxygenates (xws li Comet ) nrog cov khoom uas muaj ammonia lossis acid yog txaus ntshai . Tus P&G Comet MSDS tshwj xeeb ceeb toom rau: "Tsis txhob sib cuag nrog cov kua qaub thiab ammonia."