1 00:00:06,110 --> 00:00:02,629 what is the dwarf planet in 60 seconds 2 00:00:07,880 --> 00:00:06,120 you'll know this is space shorts North 3 00:00:09,950 --> 00:00:07,890 planets are a lot like regular planets 4 00:00:11,150 --> 00:00:09,960 they both have enough mass and gravity 5 00:00:13,879 --> 00:00:11,160 to be nearly round 6 00:00:15,530 --> 00:00:13,889 unlike odd shaped asteroids they both 7 00:00:18,769 --> 00:00:15,540 travel through space in a path around 8 00:00:20,210 --> 00:00:18,779 the Sun the big difference a Dorf planet 9 00:00:22,040 --> 00:00:20,220 could be in for a bumpy ride as it 10 00:00:24,830 --> 00:00:22,050 travels its path is full of other 11 00:00:27,200 --> 00:00:24,840 objects like asteroids a regular planet 12 00:00:28,939 --> 00:00:27,210 has a clear path around the Sun most of 13 00:00:30,980 --> 00:00:28,949 those impacts haven't billions of years 14 00:00:33,470 --> 00:00:30,990 ago so there's not much left over to get 15 00:00:34,670 --> 00:00:33,480 in the way there may be dozens of dwarf 16 00:00:37,370 --> 00:00:34,680 planets in our solar system 17 00:00:39,709 --> 00:00:37,380 so far we've classified just a handful 18 00:00:42,380 --> 00:00:39,719 most of them very far away 19 00:00:45,049 --> 00:00:42,390 Pluto is the most famous but closer to 20 00:00:47,420 --> 00:00:45,059 home is another mysterious world series 21 00:00:49,850 --> 00:00:47,430 the first or planet to be visited by a 22 00:00:51,830 --> 00:00:49,860 spacecraft with everything you learn 23 00:00:53,420 --> 00:00:51,840 from the dawn mission our understanding