Euclid, a space telescope on a mission to uncover the secrets of dark matter and dark energy, has already made a stunning discovery: a perfectly formed Einstein ring hidden in a well-known galaxy.
Euclid space telescope sent some images back to Earth during an early testing phase. While reviewing the pictures, astronomer ...
Einstein predicted the existence of gravitationally-warped rings of light in 1915. Now, a new one has been discovered just a ...