Exoplanets1991
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
Historical person
Dale Frail Biography
Historical biography and chronological timeline for Dale Frail, based on 1 World History Database records associated with United States of America.
1 records1991–19911 events0 places
Chronological biography
1991
Record provenance
This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.