Related by context. Frequent words. (Click for all words.) 64 kilotons 60 gigatons 59 megatonnes 57 kiloton 47 terawatt hours 47 tons 45 suns 44 gigawatt hours 44 kilowatts 43 neutrons 43 tonnes 43 Megawatts 43 thermonuclear 43 metric tons 43 kilograms 42 KWh 42 warheads 41 meteors 41 carbon dioxide CO2 41 BTUs 41 gigawatts 40 GWh 40 gamma rays 40 cubic meters 39 megawatts 39 nuclear fission 39 asteroid 39 atomic particles 39 #GW [001] 39 TWh 39 exabytes 38 megawatts MW 38 neutrinos 38 cosmic rays 38 particles 38 metric tonnes 38 watts 38 fireballs 37 kw 37 fission 37 volts 37 cosmic 37 atomic bombs 37 solar flares 37 KWH 37 m3 37 gigawatt 37 watt light bulb 37 mega watts 37 emitted 37 Btu 36 neutron star 36 cubic meters bcm 36 gallons 36 subatomic particles 36 kilometers 36 nuclear warheads 36 mass extinction 36 radioactive material 36 kWh 36 liters 36 MWe 36 neutron stars 36 subatomic 36 teraflop 36 kilowatt hours 36 trillionth 36 asteroids 36 cubic centimeter 36 comet 35 cosmic ray 35 incinerate 35 meteor 35 sized swimming pools 35 petaflops 35 milliwatts 35 metric tones 35 plutonium 35 gamma ray burst 35 watt bulb 35 supernovas 35 teraflops 35 carbon dioxide emissions 35 cataclysmic 35 interstellar space 35 comets 35 kW 35 lbs 35 #kg [002] 34 bomblets 34 gamma ray bursts 34 incinerated 34 Earths 34 equivalent 34 supermassive black hole 34 Big Bang 34 Apophis 34 atom 34 greenhouse gases 34 Megawatt 34 radioactive fallout