Back to Article List From the August 2003 issue Seeing the whole symphony By David Helfand | Published: August 5, 2003 | Last updated on May 18, 2023 Key Takeaways: David Helfand compares the electromagnetic spectrum to the sounds of a symphony orchestra on his web site.
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