WEBVTT 00:00:01.126 --> 00:00:06.099 En dag, den sidst stjerne vil dø, og universet vil vende mørkt for evigt. 00:00:06.502 --> 00:00:10.262 Den vil sandsynligvis være en rød dværg, en lillebitte slags af stjerne, 00:00:10.262 --> 00:00:13.242 Det er også en af vores bedste spil at finde alien liv, NOTE Paragraph 00:00:13.246 --> 00:00:17.506 Og må være den sidst hus af menneskelighed før universet bliver ubeboelige, 00:00:17.744 --> 00:00:22.194 Så hvad kender vi om dem, og hvorfor er de vores sidst håb? 00:00:31.753 --> 00:00:35.493 I det mindste 70% af stjerner i universet er røde dværge. 00:00:36.005 --> 00:00:41.265 De er den mindste stjerner der ude, med kun omkring 7 til 50% af massen af vores sol, 00:00:41.265 --> 00:00:45.515 ikke ret meget større end vores planet, Jupiter, som er stadig enorme, selvom. 00:00:45.994 --> 00:00:47.874 De er også meget dim. 00:00:48.516 --> 00:00:50.736 Den er umulig at se dem med den nøgen øje. 00:00:50.976 --> 00:00:52.756 Du har ikke set en i den nat himmel. 00:00:53.376 --> 00:00:55.022 Selv med alle vores teknologi, 00:00:55.022 --> 00:00:58.002 vi kan kun klart observerer røde dværge i vores nabolag. 00:00:58.494 --> 00:01:02.244 Tilnærmelsesvis 20 af den 30 stjerner tæt til Earth er røde dværge. 00:01:02.760 --> 00:01:06.746 00:01:06.746 --> 00:01:11.206 00:01:11.206 --> 00:01:16.383 00:01:16.383 --> 00:01:20.742 00:01:21.468 --> 00:01:23.248 00:01:23.248 --> 00:01:27.512 00:01:27.512 --> 00:01:31.592 NOTE Paragraph 00:01:32.257 --> 00:01:36.027 00:01:36.028 --> 00:01:39.238 00:01:39.508 --> 00:01:43.238 00:01:44.009 --> 00:01:47.219 00:01:47.230 --> 00:01:52.760 00:01:52.983 --> 00:01:56.517 00:01:56.517 --> 00:02:00.366 00:02:00.366 --> 00:02:04.176 00:02:04.880 --> 00:02:09.316 00:02:09.316 --> 00:02:13.506 00:02:14.147 --> 00:02:18.015 00:02:18.015 --> 00:02:21.745 00:02:22.493 --> 00:02:28.373 00:02:28.391 --> 00:02:31.661 00:02:31.666 --> 00:02:34.399 00:02:34.399 --> 00:02:38.909 00:02:38.909 --> 00:02:41.496 00:02:42.007 --> 00:02:45.627 00:02:45.627 --> 00:02:47.765 00:02:48.502 --> 00:02:52.022 00:02:52.022 --> 00:02:55.401 00:02:55.401 --> 00:02:59.601 00:02:59.603 --> 00:03:01.743 00:03:03.026 --> 00:03:06.721 00:03:06.721 --> 00:03:10.051 00:03:10.744 --> 00:03:14.604 00:03:15.257 --> 00:03:18.647 00:03:19.343 --> 00:03:24.043 00:03:24.043 --> 00:03:26.923 00:03:26.923 --> 00:03:29.421 00:03:29.421 --> 00:03:32.501 00:03:33.002 --> 00:03:35.630 00:03:35.630 --> 00:03:39.410 00:03:39.411 --> 00:03:41.101 00:03:41.101 --> 00:03:44.500 00:03:45.027 --> 00:03:47.787 00:03:47.787 --> 00:03:50.545 00:03:51.553 --> 00:03:54.753 00:03:54.753 --> 00:03:58.485 00:03:58.485 --> 00:04:00.765 00:04:01.095 --> 00:04:04.665 00:04:05.165 --> 00:04:08.380 00:04:08.380 --> 00:04:10.600 00:04:11.260 --> 00:04:16.750 00:04:17.269 --> 00:04:20.659 00:04:20.659 --> 00:04:23.062 00:04:23.689 --> 00:04:27.064 00:04:27.064 --> 00:04:30.494 00:04:31.243 --> 00:04:35.493 00:04:35.495 --> 00:04:40.145 00:04:40.145 --> 00:04:44.195 00:04:44.195 --> 00:04:47.635 00:04:48.505 --> 00:04:53.085 00:04:53.085 --> 00:04:55.511 00:04:56.095 --> 00:05:00.505 00:05:00.989 --> 00:05:04.359 00:05:04.359 --> 00:05:07.457 00:05:07.457 --> 00:05:11.292 00:05:11.783 --> 00:05:15.443 00:05:15.443 --> 00:05:20.263 00:05:20.968 --> 00:05:24.911 00:05:24.911 --> 00:05:29.021 00:05:29.113 --> 00:05:33.393 00:05:33.395 --> 00:05:36.935 00:05:38.887 --> 00:05:41.837 00:05:42.314 --> 00:05:45.954