1 00:00:05,430 --> 00:00:03,590 an unusual eruption on the sun may offer 2 00:00:08,710 --> 00:00:05,440 clues to understanding our star's 3 00:00:10,950 --> 00:00:08,720 mysterious explosions 4 00:00:16,550 --> 00:00:10,960 solar eruptions are massive releases of 5 00:00:19,830 --> 00:00:18,470 this material can travel across the 6 00:00:25,990 --> 00:00:19,840 solar system 7 00:00:29,509 --> 00:00:27,910 the radiation and the material from the 8 00:00:31,029 --> 00:00:29,519 sun can interact with the planet's 9 00:00:36,069 --> 00:00:31,039 magnetic fields 10 00:00:40,869 --> 00:00:37,990 eruptions on the sun usually come in one 11 00:00:45,390 --> 00:00:42,790 coronal mass ejections 12 00:00:47,510 --> 00:00:45,400 jets and partial eruptions 13 00:00:49,590 --> 00:00:47,520 [Music] 14 00:00:53,110 --> 00:00:49,600 the new research studied an event named 15 00:00:55,110 --> 00:00:53,120 the rosetta stone of solar eruptions 16 00:00:57,510 --> 00:00:55,120 just as the rosetta stone was the key to 17 00:00:59,430 --> 00:00:57,520 understanding egyptian hieroglyphics 18 00:01:01,349 --> 00:00:59,440 studying this eruption could be the key 19 00:01:02,650 --> 00:01:01,359 to understanding all types of solar 20 00:01:04,070 --> 00:01:02,660 eruptions 21 00:01:06,550 --> 00:01:04,080 [Music] 22 00:01:08,310 --> 00:01:06,560 in the rosetta stone eruption all three 23 00:01:10,070 --> 00:01:08,320 types of eruptions happened in the same 24 00:01:14,230 --> 00:01:10,080 event 25 00:01:18,469 --> 00:01:16,149 the main eruption was too big to be a 26 00:01:19,910 --> 00:01:18,479 jet but too narrow to be a coronal mass 27 00:01:22,070 --> 00:01:19,920 ejection 28 00:01:24,230 --> 00:01:22,080 a second cooler layer of material on the 29 00:01:27,109 --> 00:01:24,240 surface of the sun also started to erupt 30 00:01:29,590 --> 00:01:27,119 about a half an hour later 31 00:01:32,789 --> 00:01:29,600 but it fell back down as a partial solar 32 00:01:36,950 --> 00:01:34,950 this rosetta stone of solar eruptions 33 00:01:41,749 --> 00:01:36,960 will also give clues to help scientists 34 00:01:45,350 --> 00:01:43,510 the better our predictions are the more 35 00:01:47,350 --> 00:01:45,360 time we have to prepare for material 36 00:01:48,740 --> 00:01:47,360 from the sun to interact with earth's 37 00:01:52,550 --> 00:01:48,750 magnetic field 38 00:01:56,149 --> 00:01:54,389 predicting large solar eruptions can 39 00:01:57,350 --> 00:01:56,159 help better protect our astronauts and