| [00:00:00.03] | ♪Music♪ An active region on the Sun erupted with a series of solar flares |
| [00:00:04.06] | beginning on Sept. 4, 2017. |
| [00:00:08.10] | NASA's Solar Dynamics Observatory caught imagery of them all |
| [00:00:12.14] | ♪Music♪ active region 2673 Sept. 4 |
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| [00:00:32.30] | ♪Music♪ M5.5 |
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| [00:00:40.33] | ♪Music♪ Sept. 5 |
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| [00:01:04.51] | ♪Music♪ Sept. 5 |
| [00:01:08.56] | ♪Music♪ X2.2 |
| [00:01:12.60] | ♪Music♪ X9.3 |
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| [00:01:56.98] | ♪Music♪ X9.3 |
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| [00:02:45.44] | [Tone] NASA Heliophysics |
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