It is good news that the Hubble fix-it mission is going well.
Grunsfeld and Feustel replaced Hubble's old imager with the Wide Field Camera 3, a new $132 million instrument expected to probe deeper into the evolution of galaxies and the shed new light on the mysteries of dark matter and dark energy. It is designed to see back to about 500 million years after the birth of the universe. The universe is 13.7 billion years old.
That is pretty cool that they have a camera that can see back to 500 million years after the Big Bang like that. I have to agree with some commentators that Hubble may be one of the greatest inventions of all time.
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