RT @AstronomyNow: NASA’s Fermi satellite detects first gamma-ray pulsar in another galaxy astronomynow.com/2015/11/13/nas… https://t.co/AddRm5PPnQ
RT @AstronomyNow: NASA’s Fermi satellite detects first gamma-ray pulsar in another galaxy astronomynow.com/2015/11/13/nas… https://t.co/AddRm5PPnQ