Metadata
Author: ParaCrawl Corpus
Data
English[en]
On 9 January 1992, radio astronomers Aleksander Wolszczan and Dale Frail announced the discovery of two planets orbiting the pulsar PSR 1257+12.
Swedish[sv]
I början av 1992 tillkännagav radioastronomerna Aleksander Wolszczan och Dale Frail att man hade funnit planeter runt pulsaren PSR 1257+12.