Get the latest Science News and Discoveries
The top 10 Ariane 5 rocket launches of all time
None
Or read this on Space.comGet the latest Science News and Discoveries
None
Or read this on Space.comRead more on:
Related news:
Gravitational lensing has been used for the first time to detect and measure an inactive black hole. The door is now open to study the largest black holes in the universe. "Gravitational lensing events are rare, but are most prevalent in the most massive galaxies, that host the largest black holes."