How scientists lost a 5,000-year-old star for three years
Dec 17, 2012

Astronomy can be pretty tricky business. For one thing, all the stuff you're looking at is actually spread very far apart, and apparently sometimes a star will just flat out disappear on you. That's what happened to a team operating NASA's Fermi Gamma-ray Telescope, who discovered a 5,000-year-old pulsar in 2009 only to then lose track of it for the next three years.