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Hoʻomaka ka telescope radio wikiwiki loa o ka honua ma waho o Australia

TT Puka Pelekania by TT Puka Pelekania
ʻApelila 15, 2021
in Archive
Wā heluhelu: 2 min heluhelu
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Ma kahi mamao loa o Australia, ua hoʻomaka ka poʻe ʻepekema i ke kelepona lekiō wikiwiki loa o ka honua e hoʻonui nui i ka hiki o ka poʻe astronomers ke nānā i ke ao holoʻokoʻa, ka palapala ʻana i nā lua ʻeleʻele a hoʻomālamalama hou i ke kumu o nā galaxies.
Ua hoʻomaka ka Australia Square Kilometer Array Pathfinder (ASKAP), me kahi ʻano o 36 antennas i kēlā me kēia 12 mika (40 kapuaʻi) ma waena, ua hoʻomaka e nānā i ke ao holoʻokoʻa i ka Pōʻalima mai kahi kahua pipi mamao loa ma ka mokuʻāina o Western Australia.

ʻO ka telescope he $152 miliona ($155.18 miliona) e "hoʻolohe" i nā nalu lekiō mai ka honua e hāʻawi i nā ʻike ʻike i ka hoʻomaka ʻana o ke ao holoʻokoʻa.

"Haʻi mai nā hawewe lekiō iā mākou i nā mea kūʻokoʻa e pili ana i ka cosmos, e pili ana i ke kinoea i hoʻokumu ʻia ai nā hōkū, a me nā mea exotic, pulsars a me quasars, e hoʻoikaika maoli i nā palena o ko mākou ʻike i nā kānāwai kino o ke ao holoʻokoʻa," ʻo Brian Boyle, ka luna o ka papahana ma ka hui noiʻi ʻepekema aupuni o Australia, i haʻi aku i nā mea nūhou i kēia pule.

Aia ka telescope ASKAP ma Shire of Murchison, he wahi o 50,000 kms square (19,300 square miles), a i ʻole ka nui o Costa Rica, me 120 wale nō poʻe. He kūpono kēia wahi no ka mea he "lekiō mālie", a nele paha i nā hōʻailona lekiō i hana ʻia e ke kanaka e hoʻopilikia ai i ka ʻohi ʻana o nā antenna i nā hōʻailona lekiō hōkū. Me ka hoʻohana ʻana i nā "kāmeʻa lekiō" hou i kapa ʻia ʻo phased array feeds, hiki i ke telescope ke nānā i ka lewa i ʻoi aku ka wikiwiki ma mua o nā telescope radio e loaʻa nei a hāʻawi i ke kelepona i kahi mākaʻikaʻi ma kahi o 150 mau manawa o ka mahina piha.

ʻO ASKAP nō hoʻi ka papa kūkulu hale mua ma ka telescope nui loa o ka honua, ʻo ka Square Kilometer Array (SKA) e hoʻokumu ʻia ma Australia a me ʻApelika Hema.

E hoʻomaka ana ke kūkulu ʻia ʻana o ka SKA i ka makahiki 2016 a e hoʻohui ʻo Australia i 60 mau antennas i kāna 36 i kēia manawa ma ke ʻano o ka papahana.

ʻO ka hiki o ke telescope ASKAP ke nānā i ka nui o ke ao holoʻokoʻa e hoʻohua i ka nui o ka ʻikepili. Ma kāna lā mua i ka hana piha, e hōʻiliʻili ʻo ASKAP i nā ʻikepili hou aʻe ma mua o ka mea i loaʻa i kēia manawa ma nā waihona astronomy radio a pau a i ʻole ka US Library of Congress.

Me ka hoʻohana ʻana i nā telescope radio e kū nei, ʻo ke kiʻi o Centaurus A, ke aniani kokoke loa i ka honua me ka lua ʻeleʻele, e koi ana i kahi 400 kiʻi, ʻelua makahiki o ka nānā ʻana, a me 10,000 mau hola o ka manawa kamepiula. E lawe ka ASKAP i ʻelua mau kiʻi a me ʻelima mau minuke o ka nānā ʻana a me ka manawa kamepiula.

Ua hoʻopaʻa piha ʻia ʻo ASKAP no nā makahiki ʻelima e hiki mai ana me nā ʻepekema mai ka honua holoʻokoʻa e hoʻohana nei no ka noiʻi. ʻO kekahi o nā wahi noiʻi mua e hoʻokomo ʻia ka helu ʻana o nā galaxia a pau i loko o ʻelua piliona mau makahiki māmā, i hiki ke hoʻomālamalama i ka hana ʻana o ka Milky Way. ʻO kekahi papahana noiʻi e ʻimi ana i nā lua ʻeleʻele, i manaʻo ʻia e ka poʻe astronomers he mau hua o nā galaxies.

E ʻimi nō hoʻi ka telescope radio i nā mea e like me nā pulsars, a Boyle i wehewehe ai he "pōlele o nā mea hōkū i paʻa pū ʻia a ʻoi aku ke kaumaha o kahi teaspoon ma mua o ka nui o ke kanaka".

Akā e ʻimi ana ka telescope i ke ola honua hou? "ʻAʻole ia he kumu mua o ka nui o kēia mau noiʻi, akā ʻoiaʻiʻo he pahuhopu lua ia e aneane loaʻa iā ʻoe me ka manuahi," wahi a Boyle. "Ke nānā nei ʻoe i ka lewa, ʻoi aku ma nā wahi ākea o ka lani e ʻimi nei i nā mea, ke hoʻonui nei ʻoe i ka nui o ka huli ʻana no nā hōʻailona mai ke ola extraterrestrial."

(ʻO Zaman kēia lā)

Nā huaʻōlelo: ʻAsuriaKuleke
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