- NASA neESA vanosimbisa kuti 3I / ATLAS ndeye interstellar comet isina njodzi kuPasi
- Yakawanda yekucherechedza mushandirapamwe: Mars, STEREO, SOHO, PUNCH, Psyche, Lucy, Hubble uye Webb
- Inocherekedza kuumbwa muCO₂ uye chiitiko chine majeti akaomarara uye miswe, mukati mezvinotarisirwa
- Kuswedera pedyo nePasi musi waZvita 19, pamakiromita 274 miriyoni
El interstellar comet 3I/ATLAS akatanga a Kambani yekutarisa isati yamboitwa neNASA neESAnezviridzwa zvakagoverwa mukati meSolar System. Kubva kuEurope, iyo yekutevera inotsamira pane kutora chikamu chemisheni yakakosha uye nzvimbo dzekutarisa, kusimbisa basa renharaunda yesainzi muSpain uye EU mu kudzidza kweava vashanyi vasingawanzo.
Masangano emuchadenga akadzokorora kuti ndizvo kometi chaiyo, ine maitiro anonyatsoenderana nemamwe ma comets, kunyange zvakadaro Mabviro ayo kunze kwenharaunda yedu anoita kuti uve mukana unoshamisaIko hakuna zviratidzo zvetekinoroji kana zviratidzo zvinokatyamadza: Chinhu chinochengetedza trajectory uye chiitiko chinokodzera mhando yekubvisa gasi painoswedera kuZuva.
Chii chinonzi 3I/ATLAS uye chakaonekwa sei?
3I/ATLAS chinhu chechitatu chepakati penyeredzi chakaonekwa chichiyambuka Solar System yedu, mushure me1I/ʻOumuamua na2I/Borisov. Yakaonekwa muna Chikunguru 1 neATLAS (Asteroid Terrestrial-impact Last Alert System), network inotsigirwa neNASA yemateresikopu munyika dzinoverengeka, kusanganisira imwe paGomo reTeide (Spain)... kuwedzera kune zvivakwa muChile. Yayo hyperbolic trajectory yakatengesa mavambo ayo ekunze kubva pakutanga.
Yekutanga fungidziro kubva pakuona neHubble nezvimwe zviridzwa zvinoisa musimboti mukati mechikamu che mazana emamita kusvika makiromita akati wandeinecoma inoshanda uye muswe iyo morphology yakashanduka sezvo yakagamuchira mwaranzi yakakura yezuva. Kumhanya kwayo kunodarika 200.000 km / h, ine nhongonya dzakakwirira pedyo neperihelion, mukati mezvinotarisirwa kune interstellar comet.
Kubva pakuona kweEurope, ESA yakaratidza kukosha kwe3I / ATLAS pakuenzanisa. maitiro emuviri nemakemikari neayo ecomets akaumbwa pedyo neZuva. Kuenzanisa uku kunotibvumira kunatsa misiyano chaiyo maringe neinongoonekwa nekuda kweiyo geometry yekutarisa kana nharaunda yezuva.
Mushandirapamwe wakarongeka: Mars, heliovision uye probes munzira
Musi waOctober 3, 3I/ATLAS yakapfuura kune inenge Makiromita zviuru makumi maviri nemashanu kubva kuMars, mukana uyo akati wandei NASA spacecraft yakatora mukana we: the MRO orbiter yakawana imwe yemifananidzo iri padyoMAVEN akatora ultraviolet data kuti aburitse kuumbwa kwayo, uye Perseverance rover yakakwanisa kutora chinhu kubva kuMartian.
Heliospheric missions yakabvumira masayendisiti kuitevera mushure mekunge yanyangarika kubva paPasi. The observatory STEREO yakanyora pakati paGunyana 11 naGumiguru 2, nepo SOHO (yakabatana ESA/NASA mission) Akaicherechedza pakati pekupera kwaOctober. PUNCH, yakatangwa, Yakapa kutevedzana kwemuswe wayo mukati mehafu yechipiri yaGunyana uye kutanga kwaOctober.
Kure nePasi, maprobes psyche y Lucy Vakatora mukana wemaitiro avo kutora mifananidzo comet munaGunyana: Psyche akatora mapfuti akati wandei kubva pamakiromita 53 miriyoni kure, uye Lucy akatora nhevedzano kubva pamakiromita 386 miriyoni kure. iyo, yakaturikidzana, inobvumira kuongororwa kweiyo comma-muswe chimiro.
Uyewo Hubble naJames Webb vakapaIyo yekupedzisira yakakosha pakuona iyo comet mune infrared sezvo inofamba ichienda uye isingasvikike muchiedza chinooneka, nekudaro kuvhara kuvharika kwakawanda uye zvinowirirana zvisati zvamboitika kusvika nhasi kune chinhu che extrasolar mavambo.
Kuumbwa uye chiitiko: yakaoma miswe, jets uye yakakurumbira CO₂
Iyo yakasanganiswa inooneka, ultraviolet, uye infrared data inonongedza kune a kushanda nesimba yecomet, ine kuburitswa kwegasi neguruva zvinotsanangura shanduko yemuswe uye kudiki kusiri-kwekukwevera kwesimba, chimwe chinhu chinozivikanwa mumiviri iyi. Kuongorora kwakazvimirira kwakaratidza zvimiro zvakaoma mumuswe wayo, nekuvapo kwejeti uye kunyange zvigadziriso zvinoyeuchidza a. anti-muswe nekuda kwekuita kwekutarisa geometry.
Kure nekududzira kunoshamisa, zvikwata zvesainzi zvinoratidza kuti marudzi aya emapateni anogona kubva kubva akawanda anoshanda nzvimbo pamusorokugoverwa kweanisotropic yechando uye kusangana nemhepo yezuva. Iyo inogoneka antitail, semuenzaniso, inogona kutsanangurwa nemaonero maererano nendege ye orbital uye kugoverwa kweguruva rakaburitswa.
Mundima yemakemikari, Ultraviolet uye infrared zviyero zvinoratidza a chikamu cheCO₂ Iyo yemvura yemukati yakakwira zvichienzaniswa neanoverengeka comets muSolar System. Pane tsananguro dzechisikigo: kusiyanisa kuratidzwa kwemwaranzi munhoroondo yayo yese kana inotonhora, CO₂-yakapfuma kuumbwa nharaunda, inoenderana nekwakabva kunze kwehurongwa hwedu.
Nyanzvi dzeNASA neESA dzinosimbirira kuti hapana chinocherechedzwa chinoda kushandisa dudziro dzisiri dzechisikigo. Zvimiro zveruvara, kupenya, dynamics, uye spectrum zvinofambirana ne ice comet iyo inoshanda kana yapisa, isina tech siginecha kana masaini ekugadzira.
Mazuva, kuonekwa uye basa reEurope
Nzira yepedyo yePasi yakarongerwa December 19, kure kure Makiromita zviuru makumi maviri nemashanupasina kureva chero njodzi. Perihelion yakaitika mukupera kwaGumiguru, panguva iyo yekutarisa geometry yakagonesa kuteedzera kwayo kubva pasi-based telescopes.
MuEurope, uye kunyanya muSpain, nharaunda yesainzi iri kutora mukana weiyi hwindo kugadzirisa matanho e saizi, chimiro uye basapamwe nekuenzanisa maitiro ayo neaya anonyatsozivikanwa comets kubva munharaunda yezuva. Iyo ATLAS network, ine chiteshi paTeide, uye zvikwata kubva kuIAC nedzimwe nzvimbo dzeEurope zviri kubatsira mukubatanidzwa uku.
Kutarisa mberi mberi, comet ichaenderera mberi munzira yayo uye kudzokera kumashure interstellar nzvimbo mushure mekuyambuka Jupiter's orbit muchirimo 2026. Iyo James Webb ichave kiyi yekudzvanya mikana yekupedzisira muinfrared apo kupenya kunoderera muchiedza chinooneka.
Kune avo vanoshuvira kuzama zvakadzama, NASA inochengetedza zviwanikwa zvepamutemo uye nguva dzose inogadziridza nezvinhu zvakavhurika: ruzivo link uye portal yayo yedzidzo muSpanish ine referensi yezvinyorwa, yakanangana neruzhinji rwevanhu uye nharaunda yedzidzo.
3I/ATLAS inosimbiswa se nyeredzi yenyeredzi Inocherechedzwa nenzira yakarongeka neNASA neESA, nemipiro kubva kuEurope neSpain: chinhambwe chakachengeteka kubva kuPasi, chiitiko chinoenderana nefizikisi yecomet, zviratidzo zvemakemikari zvinoratidzira, uye chirongwa chekutarisa chinobvumira zvidzidzo kuti zvidzidzwe nezve. maumbirwo avanoita nekushanduka-shanduka miviri midiki mune mamwe masisitimu enyeredzi.
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