'Before a 1992 discovery, we thought only the sun had these; now we know that PSR B1257 + 12 does too'
Planets
BEFORE & AFTER: Before a 1992 discovery, we thought only the sun had these; now we know that PSR B1257 + 12 does too
Before a 1992 discovery, we thought only the sun had these; now we know that PSR B1257 + 12 does too
Before a 1992 discovery, we thought only the sun had these; now we know that PSR B1257 + 12 does too
BEFORE & AFTER
Planets
BEFORE & AFTER