Back to Article List From the April 2008 issue If time stops at a singularity, how can massive black holes grow? Jim Gamppetro, Buffalo, Wyoming By Astronomy Staff | Published: April 1, 2008 | Last updated on May 18, 2023 Key Takeaways: Matter falling onto a black hole’s event horizon appears to slow down and “freeze” to an observer outside the event horizon.
Exotic Objects, Stars ‘Strange binary’: Astronomers discover a pulsar and a helium star orbiting each other
Robotic Spaceflight, Science How a signal from a 60-year-old satellite baffled astronomers for over a year