Distant quasars may hold the key to spotting elusive gravitational waves—and revealing hidden dimensions of the universe.

In this case, there is an exceptional alignment between two galaxies and a background quasar, forming a rare six-image configuration," "We called it an 'Einstein zigzag' because the optical path ...

According to the European Space Agency (ESA), “It is considered one of the best lensed quasars discovered to date, as the foreground galaxy smears the image of the background quasar into a ...

Get Instant Summarized Text (Gist) SRGA J2306+1556 is a rare, radio-loud quasar at z ≈ 0.44 with strong X-ray absorption and an intrinsic X-ray luminosity between 1.0 and 6.0 × 10 44 erg/s. It ...