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PROBA-3: Manufa ta farko ta “Tsarin Samar da Yawo” manufa   

Manufar ESA ta PROBA-3, wadda ta tashi a kan roka ta ISRO ta PSLV-XL a ranar 5 ga Disamba 2024, "yin kusufin rana" ne na tauraron dan adam guda biyu na fakuwa da na'urorin sararin samaniya. Zai ba da damar lura da hasken rana ta hanyar jirgin sama na coronagraph na sa'o'i 6 a cikin kowane sa'a 19 na minti 36 ta hanyar ƙirƙirar kusufin rana ta hanyar buƙatu na sararin samaniya. Kamar yadda nunin samuwar fasahar tashi, manufa ta PROBA-3 tana ba da hanya ga aikin LISA na tushen interferometry na gaba (wanda zai zama samuwar jiragen sama uku a sararin samaniya) don gano ƙananan raƙuman nauyi (GWs).  

Aikin Laser Interferometer Space Antenna (LISA) wanda ya sami ci gaba na ESA a farkon wannan shekara kuma an shirya ƙaddamar da shi a cikin 2035, zai zama na farko na tushen sararin samaniya mai lura da kalaman nauyi wanda aka keɓe don ganowa da kuma nazarin ƙananan raƙuman nauyi (GWs) tare da mita tsakanin 0.1 mHz da 1 Hz (ko millihertz ripples) wanda ya haifar da murdiya a cikin masana'anta na lokaci-lokaci a fadin duniya. Zai zama ƙungiyar taurarin jiragen sama guda uku a cikin ingantacciyar ƙirar triangle daidai gwargwado a sararin samaniya. Kowane gefen triangle zai zama kilomita miliyan 2.5. Ƙirƙirar jiragen sama guda uku za su zagaya Rana a cikin wani yanayi mai tazara mai ɗorewa a duniya tsakanin kilomita miliyan 50 zuwa 65 daga doron ƙasa yayin da suke riƙe da matsakaicin tsaka-tsakin sararin samaniya mai nisan kilomita miliyan 2.5.   

Manufar LISA za ta gina kan mabuɗin maɓalli guda biyu - "ganewar raƙuman nauyi mai ƙarancin ƙarfi a sararin samaniya" da "daidaitaccen tsari da ke yawo a sararin samaniya". Yayin da aka gwada fasahar da ake buƙata don "ganewar raƙuman motsin motsi a sararin samaniya" a cikin jirgin kuma an nuna shi ta hanyar manufa ta LISA Pathfinder a lokacin 2015-2017, fasahar "daidaitaccen samuwar yawo a sararin samaniya" kwanan nan an nuna shi a kan 5 Disamba 2024 tare da "Jimillar kusufin rana-yin halittar tauraron dan adam guda biyu na aikin PROBA-3" suna shiga sararin samaniyar sararin samaniya. An tashi daga ISRO's PSLV-XL roka. 

PROBA (Project for On-Board Autonomy) -3 manufa ta Hukumar Kula da Sararin Samaniya ta Turai (ESA) tana da maƙasudi biyu masu mahimmanci: nunin samuwar fasahar tashi, da kuma nazarin korona ta ciki.  

PROBA-3 ita ce manufa ta farko ta “daidaitaccen tsari mai tashi”. Samuwar jiragen sama guda biyu ne: occulter da coronagraph. Tsohon (watau kumbon Occulter) yana jefa inuwa daidai gwargwado akan kumbon na Coronagraph don samar da jimlar kusufin rana akan buqatar sa'o'i shida a lokaci guda, yana ba da damar lura da hasken rana mai rauni. Jiragen saman guda biyu da ke cikin samuwar an raba su da tazarar mita 150 tare da daidaiton milimita biyu. Ingantacciyar samuwar tashi na raka'a masu zaman kansu a cikin sararin samaniya wani gagarumin ci gaba ne a fasahar sararin samaniya wanda ke buɗe yuwuwar sabbin ayyuka kamar aikin LISA na tushen interferometry don gano ƙananan raƙuman motsin motsi (GWs) a sararin samaniya wanda ba za a iya gano shi ta amfani da na'urorin gano tushen ƙasa ba. irin su LIGO, VIRGO, da dai sauransu ko Pulsar Timing Arrays (PTAs).  

Yayin da samar da jiragen sama guda uku a cikin aikin LISA zai ba da damar aunawa (ta hanyar interferometry na laser) na ƙananan canje-canje a cikin nisa tsakanin yawan gwajin da ke cikin sararin samaniyar da ke haifar da ɗimbin motsin sararin samaniya, ƙirƙirar jiragen sama guda biyu a cikin PROBA -3 manufa an tsara shi don ba da damar lura da hasken rana corona ta jirgin sama na coronagraph na sa'o'i 6 a cikin kowane sa'o'i 19 na minti 36 yana kewayawa akan buƙatar ƙirƙirar kusufin rana ta hanyar fakuwar sararin samaniya na samuwar.  

Abubuwan da ke faruwa na kusufin rana na zahiri ba su ba da isasshen dama don lura da yanayin rana ba don haka akan buƙatun damar da PROBA-3 ta bayar zai taimaka sosai a cikin nazarin korona na rana da abubuwan da ke da alaƙa don ingantaccen hasashen yanayin sararin samaniya da guguwar rana waɗanda aka sani da su. rushe tauraron dan adam, hanyoyin sadarwa da hanyoyin sadarwa na wutar lantarki a duniya. 

References:  

  1. ESA. Proba –3: Daidaitaccen tsari yana tashi don lura da korona ta Rana. Akwai a https://www.esa.int/Enabling_Support/Space_Engineering_Technology/Proba-3 
  1. ESA. Tauraron dan adam mai yin husufin Proba-3 ya shiga sararin samaniya. 5 Disamba 2024. Akwai a https://www.esa.int/Enabling_Support/Space_Engineering_Technology/Proba-3/Eclipse-making_double_satellite_Proba-3_enters_orbit 
  1. ESA. Sirrin sararin samaniya guda biyar Proba-3 zai taimaka warware. Akwai a https://www.esa.int/Science_Exploration/Space_Science/Five_space_mysteries_Proba-3_will_help_solve 

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Shafuka masu dangantaka  

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Umesh Prasad
Umesh Prasad
Jaridar Kimiyya | Editan kafa, mujallar Scientific Turai

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