Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: PSR B1257 + 12 an gano shi ne daga masanin taurari na Poland Aleksander Wolszczan a ranar 9 ga Fabrairu 1990 ta amfani da na'urar daukar hoto ta Arecibo. Yana da millisecond pulsar, wani nau'in tauraron neutron, tare da lokacin juyawa na 6.22 milliseconds (9,650 rpm), kuma an gano cewa yana da rashin daidaituwa a cikin lokacin bugun jini, wanda ya haifar da bincike game da dalilin bugun jini mara kyau. A shekara ta 1992 Wolszczan da Dale Frail sun wallafa wata sananniyar takarda game da tabbatar da farko na gano taurari a waje da tsarin hasken rana. Ta amfani da ingantattun hanyoyi an sami wata duniyar da ke zagaya wannan pulsar a shekara ta 1994.  Tambaya: Wanene ya gano PSR B1257 + 12?
Aleksander Wolszczan Ƙarƙashin ƙasa