😍 2022-06-29 21:51:10 - Paris/France.
Ukulinganisa okuyimpumelelo ngaphambili uhlaselo lweasteroid ukhokele i-NASA ye-Double Asteroid Redirection Test (DART) mission.
Kuphononongo olutsha olupapashwe kwi Ijenali yeeSayensi zePlanethi abaphandi beDyunivesithi yaseBern kunye neNational Research Centre (NCCR) PlanetS ngoku babonisa ukuba endaweni yokushiya ngasemva icrater encinci, impembelelo yesiphekepheke. Ingcongolo ekujoliswe kuko kunokwenza i-asteroid phantse ingaqondwa.
NgoNovemba ka-2021, i-DART probe yendawo ye-arhente yaseMelika i-NASA yasungulwa njengovavanyo lokuqala olukhulu lobuchule obunjalo: injongo yayo kukungqubana ne-asteroid kwaye iyiphambukise kumjikelezo wayo, ukunika ulwazi oluxabisekileyo kuphuhliso. yenkqubo yokhuselo lweplanethi.
“Ngokuchaseneyo noko ubani anokucinga ngako xa ecinga ngesibhakabhaka, ubungqina obuthe ngqo obuvela emajukujukwini obufana neJapan Space Agency’s (JAXA) Hayabusa2 probe bubonisa ukuba esi sibhakabhakeni sinokuba nolwakhiwo lwangaphakathi oluxengaxenga kakhulu, olufana nemfumba yobutyobo, obubanjwayo. kunye. ngokusebenzisana komtsalane kunye namandla amancinci adibeneyo, "kuchaza umbhali okhokelayo wokufunda, uSabina Raducan, ovela kwiZiko lePhysics kunye neZiko leSizwe loBuchule boPhando lwePlanethi kwiYunivesithi yaseBern.
Nangona kunjalo, ukulinganisa kwangaphambili kweempembelelo zobuthunywa be-DART ngokuyintloko kucingelwa indawo engaphakathi eyomeleleyo ye-asteroid ekujoliswe kuyo iDimorphos. "Oku kunokutshintsha kakhulu umphumo wokungqubana kwe-DART-Dimorphos, ecwangciselwe uSeptemba ozayo," uphawula uRaducan. Endaweni yokushiya icrater encinci kwi 160 yeemitha ububanzi be asteroid, iimpembelelo ze DART kwisantya esingama 24 km/h zingayigqwetha ngokupheleleyo iDimorphos. I-asteroid nayo inokujikwa ngamandla ngakumbi kwaye izixa ezikhulu zemathiriyeli zinokukhutshwa kwimpembelelo kunoqikelelo lwangaphambili.
Kwelinye icala, uMartin Jutzi ovela kwiZiko leFiziksi neZiko loPhando leSizwe ngeePlanethi, wathi “umsebenzi wethu wokulinganisa impembelelo wongeza imeko ebalulekileyo enokubakho efuna ukuba sandise ulindelo lwethu kulo mbandela . Oku akubalulekanga kuphela kumxholo wokukhusela iplanethi, kodwa yongeza inxalenye ebalulekileyo kwipuzzle yokuqonda kwethu i-asteroids ngokubanzi. »
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SOURCE: Uphonononga Iindaba
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