PSR B1257+12 was discovered by the Polish astronomer Aleksander Wolszczan on February 9, 1990 using the Arecibo radio telescope.
PSR B1257 + 12 was discovered by the Polish astronomer Aleksander Wolszczan on February 9 , 1990 using the Arecibo radio telescope .
What is the full date of discovery for PSR B1257+12?
What is the full date of discovery for PSR B1257 + 12 ?
1990
1990