a) 12
b) 10
c) 09
d) 11
A group of astronomers at the European Space Agency have discovered 12 new quasars that have been warped by a naturally occurring cosmic ‘lens’ and split into four similar images.
a) 12
b) 10
c) 09
d) 11
A group of astronomers at the European Space Agency have discovered 12 new quasars that have been warped by a naturally occurring cosmic ‘lens’ and split into four similar images.