>>18237442"That was quite an incredible moment for me. I was five years old when our telescopes first recorded pulses from this object, but no one noticed it, and it stayed hidden in the data for 33 years," she said. "They missed it because they hadn't expected to find anything like it." GPM J1839−10 behaves like magnetar, a type of neutron star, the leftover compressed core of a dead star, that spins and has a magnetic field over a trillion times stronger than Earth's.