| [00:00:00.03] | ♪Music♪ |
| [00:00:05.04] | ♪Music♪ |
| [00:00:10.05] | [TESS: Transiting Exoplanet Survey Satellite. Integration and Testing] |
| [00:00:15.10] | ♪Music♪ |
| [00:00:20.29] | Spacecraft components are often built in different places. Integration brings all these pieces together. |
| [00:00:25.50] | ♪Music♪ |
| [00:00:30.57] | Engineers move TESS's spacecraft structure into a cleanroom at Orbital ATK in Virginia. |
| [00:00:35.63] | ♪Music♪ |
| [00:00:40.73] | ♪Music♪ |
| [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. |
| [00:00:53.19] | ♪Music♪ |
| [00:00:57.39] | ♪Music♪ |
| [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. |
| [00:01:09.50] | ♪Music♪ |
| [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. |
| [00:01:21.82] | ♪Music♪ |
| [00:01:25.90] | ♪Music♪ |
| [00:01:30.04] | The cameras are then joined to the spacecraft's main body. |
| [00:01:34.23] | ♪Music♪ |
| [00:01:38.42] | ♪Music♪ |
| [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. |
| [00:01:50.59] | ♪Music♪ |
| [00:01:54.67] | ♪Music♪ |
| [00:01:58.82] | ♪Music♪ |
| [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. |
| [00:02:11.22] | ♪Music♪ |
| [00:02:15.42] | This and many other tests ensure TESS will survive the stresses of launch and its time in space. |
| [00:02:19.50] | ♪Music♪ |
| [00:02:23.60] | ♪Music♪ |
| [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. |
| [00:02:34.78] | ♪Music♪ |
| [00:02:38.80] | ♪Music♪ |
| [00:02:42.90] | [Beeping] |
| [00:02:47.01] | [Beeping] |
| [00:02:51.04] | [Beeping] |