Simon Johnston Latest articles by Simon Johnston 50 Years Ago Jocelyn Bell Discovered Pulsars and Changed Our View of the Universe By George Hobbs, Simon Johnston published 28 November 17 Astronomy Get the Space.com NewsletterBreaking space news, the latest updates on rocket launches, skywatching events and more!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MORE FROM SPACE...1James Gunn's sci-fi movies ranked, worst to best2Best Fujifilm lenses in 2025: Level up your Fujifilm camera3See the bright star Spica close to the waxing gibbous moon on July 34Best Fujifilm cameras5Private lunar landing: How Blue Ghost measured the moon's electric and magnetic fields
50 Years Ago Jocelyn Bell Discovered Pulsars and Changed Our View of the Universe By George Hobbs, Simon Johnston published 28 November 17