Nearest pulsar star

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The nearest known pulsar to Earth is PSR J0437−4715, a millisecond pulsar. NASA describes it as the closest known millisecond pulsar.

  • 🌌 Name: PSR J0437−4715
  • 📍 Distance: about 156.8 parsecs ≈ 511 light-years
  • ⚡ Type: Millisecond pulsar (neutron star)
  • 🔄 Rotation: about 5.76 milliseconds per rotation—roughly 174 rotations per second
  • ⭐ System: It has a low-mass white-dwarf companion and orbits it in about 5.7 days.

Important for SpaceTrain: even this relatively nearby pulsar is ~511 light-years away, so it is far beyond practical human spacecraft travel with current propulsion technology.

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