Back to Article List From the April 2011 issue Ask Astro web extra: How far is the farthest satellite from Earth at this time? Associate Editor Liz Kruesi By Astronomy Staff | Published: April 25, 2011 | 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