Watch the James Webb Space Telescope launch at 7:20 AM ET

It's time for a Christmas miracle.

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The Sunshield test unit to be used on NASA's James Webb Space Telescope is stacked and expanded at a cleanroom in the Northrop Grumman facility in Redondo Beach, California, in this NASA handout picture released July 25, 2014.  The Sunshield separates the observatory into a warm sun-facing side and a cold side where the sunshine is blocked from interfering with the sensitive infrared instruments.   REUTERS/NASA/Chris Gunn/Handout   (UNITED STATES - Tags: SCIENCE TECHNOLOGY)  ATTENTION EDITORS - THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS
NASA NASA / reuters

After far too many delays over the years to count, NASA’s James Webb Space Telescope has a launch date. Provided there’s not another last-minute setback, the successor to Hubble Space Telescope is scheduled to take flight on Saturday, December 25th.

NASA expects the Ariane 5 rocket carrying the JWST to lift off no earlier than 7:20AM ET on Christmas Day from the Guiana Space Center in Kourou, French Guiana. You can watch the entire event unfold, beginning with pre-launch coverage, starting at 3AM ET. The space agency will broadcast the launch on its NASA Live website, as well as on Facebook, Twitter, YouTube and Twitch.

Understandably, there’s a lot of excitement for the JWST to finally make its way into space. Not only will a successful launch represent the end of a tumultuous 14-year development cycle, but the telescope, with its far more advanced sensors than Hubble, will afford astronomers to glimpse at black holes and early galaxies in a way they haven’t been able to do in the past.

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