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nr zarrella nasa hubble 2.0 _00005923
nr zarrella nasa hubble 2.0 _00005923

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    Inside NASA's newest telescope

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Inside NASA's newest telescope

CNN's John Zarrella takes a look at "Hubble 2.0," NASA's multi-billion dollar telescope, and whether it's worth the cost.

Inside NASA's newest telescope

CNN's John Zarrella takes a look at "Hubble 2.0," NASA's multi-billion dollar telescope, and whether it's worth the cost.