2013 7000 30 500 TNT 1600 2 2017 2 018 2019 140 750 2000 2000 0.01 2021 7 555 Space X 382 2021 10 Space X 2 2000 Space X 4 OneWeb Space X Project Kuiper
26Hubble Space Telescope199042424NASA1532! 1982Paul Hickson100Hickson Compact Groups, HCGs40 HCGs 40Hydra53 spirals1elliptical1 lenticular 2 510 1990424425325150
2013 7000 30 500 TNT 1600 2 2017 2 018 2019 140 750 2000 2000 0.01 2021 7 555 Space X 382 2021 10 Space X 2 2000 Space X 4 OneWeb Space X Project Kuiper
