Transcripts of 12843_TESS_IntegrationandTesting_H264_1080

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[00:00:10.05] [TESS: Transiting Exoplanet Survey Satellite. Integration and Testing]
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[00:00:20.29] Spacecraft components are often built in different places. Integration brings all these pieces together.
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[00:00:30.57] Engineers move TESS's spacecraft structure into a cleanroom at Orbital ATK in Virginia.
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[00:00:44.85] TESS's four cameras will look for small, regular dips in the brightness of stars.
[00:00:48.99] Called transits, these dips could be caused by orbiting planets.
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[00:01:01.41] Engineers mount TESS's cameras to their support structure.
[00:01:05.46] The cameras were designed and developed by MIT.
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[00:01:13.65] The cameras are insulated to protect them from extreme temperatures in space:
[00:01:17.78] 248 degrees Farenheit in sunlight and -148 in shade.
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[00:01:30.04] The cameras are then joined to the spacecraft's main body.
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[00:01:42.48] Over the next two years, the cameras will image 85 percent of the sky,
[00:01:46.53] searching for other worlds around nearby stars.
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[00:02:02.98] Engineers deploy the solar arrays. The arrays must full extend
[00:02:07.04] to produce the power the spacecraft needs.
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[00:02:15.42] This and many other tests ensure TESS will survive the stresses of launch and its time in space.
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[00:02:26.64] TESS is ready for transport to NASA's Kennedy Space Station.
[00:02:30.71] The mission is slated for launch in 2018.
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