PSR B1257+12 yakawanikwa nemudzidzi wePoland Aleksander Wolszczan musi wa9 Kukadzi 1990 achishandisa Arecibo radio telescope. Iyo millisecond pulsar, rudzi rwenyeredzi ye neutron, ine nguva yekutenderera ye6.22 milliseconds (9,650 rpm), uye yakawanikwa iine kusanzwisisika munguva yekuputika, izvo zvakatungamira kuongororo pamusoro pechikonzero chemapundu asina kurongeka. Muna 1992 Wolszczan naDale Frail vakaburitsa pepa rakakurumbira pane yekutanga yakasimbiswa kuwanikwa kwemapuraneti kunze kwenzvimbo yedu yezuva. Uchishandisa nzira dzakagadziriswa imwezve nyika yakawanikwa ichitenderera iyi pulsar muna 1994. Mubvunzo: Ndiani akawana BPSR B1257+12?
Aleksander Wolszczan