Back to Article List Comet PANSTARRS photo gallery For complete coverage of Comet PANSTARRS, visit www.astronomy.com/panstarrs. By Astronomy Staff | Published: March 1, 2013 | Last updated on May 18, 2023 Key Takeaways:
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