GWR: Galaxies & Nebulae part 1

-Largest satelite galaxy: Large Magellanic Cloud
-Largest spiral galaxy: Malin 1
-Youngest planetary nebula: Stingray Nebula
-Longest galactic jet: An energetic jet of matter that was being emitted from a supermassive black hole in the centre of CGCG 049-033 galaxy
-Coldest place in milky way: Boomerang Nebula (-272 C)