Daily Archives: May 4, 2012

Fermi Epicycles: The Vela Pulsar’s Path

I saw this picture on APOD today, and fell in love with it. APOD’s explanation of what it is: “Exploring the cosmos at extreme energies, the Fermi Gamma-ray Space Telescope orbits planet Earth every 95 minutes. By design, it rocks to the north and … Continue reading

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