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James Webb Space Telescope Progresses Toward Launch

While the space community is looking back this week to celebrate the 25th anniversary of the launch of the Hubble Space Telescope, workers in an airtight cleanroom at Goddard Space Flight Center in Greenbelt, Maryland, are looking ahead three years, to the launch of its successor, the James Webb Space Telescope. The $8 billion Webb and the Hubble have a lot in common. Both operate in the vacuum of space, have mirrors that collect light from distant stars, use radio signals to transmit...

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