Dale Frail1991
Alex Wolszczan and Dale Frail at Pennsylvania State University report evidence of 3 extra-solar planets (exoplanets) orbiting around the spinning remains of Pulsar B1257+12
United States of America · Science / Astronomy. Chronological records rendered directly from the World History Database.
Alex Wolszczan and Dale Frail at Pennsylvania State University report evidence of 3 extra-solar planets (exoplanets) orbiting around the spinning remains of Pulsar B1257+12
Alex Wolszczan and Dale Frail at Pennsylvania State University report evidence of 3 extra-solar planets (exoplanets) orbiting around the spinning remains of Pulsar B1257+12
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