RT @jbprime: Wow! 1st of its kind – Hubble sees 1 supernovae in 4 light paths! Gravitational lens alturl.com/upri2 http://t.co/Zv6AwIBhLF
RT @jbprime: Wow! 1st of its kind – Hubble sees 1 supernovae in 4 light paths! Gravitational lens alturl.com/upri2 http://t.co/Zv6AwIBhLF