Hubble telescope celebrates 34th anniversary with an iridescent Dumbbell Nebula (image)

The nebula's shell is expanding at rates equivalent to traveling from Earth to the moon in just over seven minutes. To write that the Hubble Space Telescope is legendary would be an understatement. In the 34 years this telescope has been in orbit, it has produced breathtaking images of the cosmos. One that sticks out, for instance, is the iconic Hubble Ultra-Deep Field, aka the deepest visible-light view of our universe ever created. Thanks to the Hubble telescope, astronomers know …