Hubble’s back!

Butterfly Nebula (NGC 6302)Image Credit: NASA, ESA, and the Hubble SM4 ERO Team. The Hubble Space Telescope celebrated 19 years in orbit this year and had another, final, refit. The new camera, Wide Field Camera 3, got a test run with the unexpected Great Black Spot [of Jupiter] but it’s now fully calibrated and Hubble has reopened for business. As this image of the Butterfly Nebula (NGC 6302) demonstrates. The BBC’s Spaceman blog has more.