Cygnus X-1 is a good example of this. As the visualization shows, the black hole isn’t actually pulling at the star itself. Instead, it builds its mass off the stellar winds that flow from the star.

Caption An animation showing the Cygnus X-1 system, consisting of a black hole in orbit with a giant star. Recent observations by radio telescopes have found the system is 20 per cent further away ...

We're here to help you reach for the stars and complete the NYT Strands puzzle for today, April 25, 2025. Fans of word puzzles like Wordle or Connections definitely have to give Strands a go. In this ...