Interstellar comet 3I/Atlas imawulula methanol yochuluka pamene imadutsa pa Jupiter

Interstellar comet 3I/Atlas inatulutsa methanol wochuluka pamene imayandikira Sol ndikudutsa pafupi ndi Júpiter. Chinthucho chinali ndi chigawo chakunja chophwanyika chomwe chinalola kutulutsidwa kwa zinthu monga madzi, methanol, carbon ndi hydrogen cyanide. Essa zochitika zinachitika pamene comet inatsatira hyperbolic trajectory yake pa liwiro lalikulu, kutsimikizira chiyambi chake kunja kwa Sistema Solar.

Akatswiri a sayansi ya zakuthambo anaona khalidwe lachilendo la comet kudzera mu deta yomwe yasonkhanitsidwa pazigawo zosiyanasiyana za ndimeyi yake. Kuzindikiraku kumaphatikizapo kusiyanasiyana kwa mpweya womwe umasiyana ndi mawonekedwe omwe amawonedwa m’ma comets opangidwa komweko. 3I / Atlas idasankhidwa kukhala chinthu chachitatu chapakati pa nyenyezi chomwe chidatsimikiziridwa kuti chiwoloke dera ladzuwa.

• Zinapezeka mu Julayi 2025 ndi telesikopu ya ATLAS pa Chile.
• Liwiro logwirizana ndi Sol likuyerekeza pafupifupi 68 km pamphindi.
• Kudutsa kwapafupi kwambiri kwa Júpiter pa Marichi 16, 2026 pafupifupi pafupifupi 0.358 mayunitsi a zakuthambo.

Zosakaniza zakunja zotetezedwa kwa mabiliyoni azaka

Kutumphuka kolimba kwa comet kunagwira ntchito ngati chishango chachilengedwe ku radiation yakuthambo paulendo wake wautali wapakati pa nyenyezi. Essa wosanjikiza, mwina wokhuthala pafupifupi mamita 20, amasunga zinthu zosasinthika mkati mpaka kutentha kwadzuwa kuchuluke. Kuwonekera kwa nthawi yayitali ku kuwala kwa cosmic kwasintha kunja ndi mankhwala kwa zaka mazana mamiliyoni ambiri.

Pamene 3I/Atlas ikuyandikira Sol, kutentha kwapang’onopang’ono kunalola kuti mamolekyu azitha kutentha kwambiri. Somente m’kupita kwanthawi kutentha kwadzuwa kunaswa chotchinga chakunja. Njira ya Esse idatulutsa ma jets a gasi ndikukulitsa chikomokere cha comet, ndikuwulula zomwe zasungidwa mkati.

Chemical zikuphatikiza organic precursors

Chiwombankhanga chinapereka mankhwala osakaniza omwe amaphatikizapo methanol mochuluka kwambiri poyerekezera ndi hydrogen cyanide. Miyezo idawonetsa kuchuluka kwa methanol/HCN pakati pa pafupifupi 70 ndi 120 pamasiku owonera. Esses makonda amayika 3I/Atlas pakati pa nyenyezi zolemera kwambiri za methanol zomwe zidajambulidwapo.

Methanol imagwira ntchito ngati zida zopangira mamolekyu ovuta kwambiri, kuphatikiza ma amino acid ndi shuga. Hydrogen cyanide, nawonso, amatenga nawo mbali pakupanga kwa ma amino acid okhudzana ndi DNA ndi RNA. Kupezeka kwa madzi kunazindikirika, ngakhale m’malo otsika kuposa masiku onse mu Sistema Solar comets.

Mpweya umawoneka ngati chigawo chachikulu cha kulemera kwa chinthucho, makamaka mu mawonekedwe a carbon dioxide. Outros zinthu zozindikiridwa monga carbon monoxide, carbonyl sulfide, ionized faifi tambala, silicate fumbi, ndi zina organic mamolekyulu. Essa kuphatikiza kumapanga zosakaniza zogwirizana ndi prebiotic chemistry process.

Kudutsa mu Júpiter mwawonjezera mwayi wophunzira

Chiwombankhanga chinafika pafupi kwambiri ndi Júpiter pa Marichi 16, 2026, ndikuwoloka pang’ono gawo lalikulu la dziko lapansi la Hill. Kuthamanga kwapamwamba kunalepheretsa kugwidwa kulikonse kwakukulu kwa mphamvu yokoka, ndi kusintha kwakung’ono chabe kwa njira yotheka panthawi ya masabata awiri. Essa gawo lidaloleza kuwunikira mwatsatanetsatane za momwe mlendoyo amakhalira komanso mankhwala ake.

3I / Atlas idawonetsa kuthamangitsidwa kopanda mphamvu yokoka, kusintha kwamitundu, kutulutsa kwambiri kwa gasi ndi zida monga michira iwiri ndi anti-mchira. Esses zimasiyanitsa machitidwe ake ndi ma comets omwe amapangidwa mu Sistema Solar. Zomwe zidachitikazi zidachitika nthawi yomwe chinthucho chinali kuwonetsa kale ntchito ndi chikomokere chachikulu.

Zoyambira zakale zimatsimikizira kufunika kwa sayansi kwa chinthucho

Ziwerengero zikuwonetsa kuti comet ikhoza kukhala pakati pa zaka 10 ndi 12 biliyoni, zomwe zimapangitsa kuti ikhale yokalamba kuposa Sistema Solar yokha, yokhala ndi zaka pafupifupi 4.6 biliyoni. Essa zakale zikusonyeza kuti idasunga zida kuyambira koyambirira kwa mbiri yakale. Sua zotheka zoyambira mu disk yokhuthala ya Via Láctea imagwirizana ndi data ya carbon isotopic.

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3I / Atlas sichigwirizana mosavuta ndi ma comets am’deralo chifukwa cha makhalidwe monga kuthamanga kwa mphamvu yokoka komanso kutulutsa mpweya. Cada zowonera zatsopano zimawonjezera zambiri za momwe matupiwa amapangidwira, zaka komanso momwe amayankhira ku chilengedwe cha nyenyezi. Chinthucho chikupitiriza ulendo wake wobwerera ku danga la nyenyezi popanda kugwidwa ndi mapulaneti ena akunja.

Tsatanetsatane wa kutulutsa mpweya umasiyana malinga ndi molekyulu

Hydrogen cyanide imachokera makamaka kuchokera ku comet nucleus. Já methanol imatulutsidwa kuchokera ku phata komanso kuchokera ku tizigawo ta ayezi mu chikomokere chomwe chimasandulika mpweya ukatenthedwa. Kusiyana kwa Essa pamachitidwe otulutsa mpweya kunajambulidwa m’mawu omwe amatsata mpweya womwe umatulutsa m’njira zina, kuphatikiza mbali yomwe ikuyang’ana Sol.

Kupanga kwa methanol kunakula kwambiri kwa miyezi ingapo, kutengera kudalira kwamphamvu kwa mtunda wa heliocentric. The comet anasonyeza ntchito ngakhale pamaso ndime pafupi kwambiri kwa Sol, ndi koyamba amasulidwe mpweya monoxide, mpweya woipa ndi methanol mosiyanasiyana. Kuzindikira kwa nthunzi wa madzi kunawonjezeka m’kupita kwanthawi.

Malingaliro okhudza kugawa kwazinthu zakuthambo amapeza mphamvu

Kukhalapo kwa zinthuzi mu chinthu chochokera pakati pa nyenyezi kumasonyeza kuti mamolekyu ofunikira ku biological chemistry amatha kuchitika m’malo osiyanasiyana a nyenyezi. Methanol ndi hydrogen cyanide amaimira midadada yomanga yomwe imakhalapo kwa nthawi yayitali pansi pazovuta kwambiri. Chophimba chotetezera chinapangitsa kuti zipangizozi zikhalebe mpaka zikugwirizana ndi kutentha kwa dzuwa.

3I / Atlas sichisonyeza kukhalapo kwa moyo wopangidwa kale, koma imabweretsa zinthu zomwe zimagwirizana ndi lingaliro lakuti zoyamba za prebiotic chemistry zimafalitsidwa kwambiri ku cosmos. Sua hyperbolic trajectory ndi liwiro lalikulu zimatsimikizira kuti si za Sistema Solar ndipo zinachokera ku nyenyezi ina. Após ikudutsa mu Júpiter, comet imalowa mumlengalenga, ndikusiya deta yomwe imapangitsa kumvetsetsa mapangidwe a matupi oundana m’madera ena.

Khalidwe lowonedwa limatsutsana ndi zitsanzo wamba

Chinthucho chinawonetsa kusiyanasiyana kwamtundu, kutulutsa mpweya wofunikira komanso mawonekedwe angapo owoneka panthawi yake. Makhalidwe a Essas amafuna kuunika komwe kumaganizira kusiyana pakati pa alendo obwera pakati pa nyenyezi ndi nyenyezi zam’deralo. Kuphunzira kwa 3I / Atlas kumathandizira ku zitsanzo za momwe matupi amtunduwu amachitira podutsa machitidwe osiyanasiyana a nyenyezi.

Kuwona kopitilira muyeso kunapangitsa kuti zitheke kupanga mapu opangira mamolekyu enieni ndi kugawa kwawo mu chikomokere. Comet idakhalabe yogwira ntchito ngakhale patali pomwe zinthu zambiri zofananira zitha kukhala zosagwira ntchito. Essa kulimbikira kumalimbitsa udindo wake ngati kapisozi wapadziko lapansi wonyamula uthenga wochokera kunthawi yakutali ya mlalang’amba.

Cholowa cha Passage chimaphatikizapo zambiri zamoyo wa mamolekyu

3I / Atlas adawonetsa kuti mankhwala omwe amalumikizidwa ndi njira za prebiotic amatha kupirira mabiliyoni azaka zowonekera pakati pa nyenyezi pansi pa kutumphuka kolimba. Kutulutsidwa kolamuliridwa kwa zinthu izi kunachitika kokha pamene kutentha kwasintha ndi njira ya Sol. Essa dynamics imapereka chidziwitso cha kasungidwe ndi kayendedwe ka organic chemistry pamlingo wa galactic.

Pambuyo pokumana ndi Júpiter, comet imayambiranso njira yake popanda kugwirizana kwakukulu ndi mapulaneti ena pa Sistema Solar. Zolemba zomwe zasonkhanitsidwa paulendo wawo zimapereka zinthu zofananira mtsogolo ndi zinthu zina zapakati pa nyenyezi. Chochitikacho chikuwonetsa kufunikira koyang’anira alendo osowawa kuti awonjezere chidziwitso cha kapangidwe ka nyenyezi zakutali.