Related by context. Frequent words. (Click for all words.) 43 belching smoke 43 superhot 42 stratosphere 41 skyward 40 Augustine Volcano 40 stratospheric 40 billowing clouds 39 moon Enceladus 39 hovering 39 sky 39 earthward 38 spurting 38 rocketing 38 nosediving 38 palls 38 cratering 38 exploding 38 erupting volcanoes 37 skywards 37 zooming 37 dirigibles 37 plumes 37 hyperspeed 37 upward 37 Unleaded gas 37 lava flowing 37 Regular unleaded gasoline 37 Oil steadies 37 volcanic plume 37 fluctuating wildly 37 hover 37 Saturn moon Enceladus 37 Opportunity rover 37 WASP #b 36 plume 36 sulfurous 36 See Futures Movers 36 flittering 36 gas 36 belching 36 vaporized 36 afterburner 36 spewing 36 Huge plumes 36 moonbeams 36 billowing cloud 36 smoke plumes 36 unbreathable 35 inching upward 35 gushers 35 defying gravity 35 hurtling 35 #-#/#-year highs [002] 35 Mount Redoubt 35 hardly budged 35 dizzily 35 INDEX INDU 35 downward 35 Martian dust 35 starbursts 35 cratered 35 peaking 35 #.#/barrel [001] 35 exosphere 35 fireballs 35 supersonic 35 whooshing 35 toppy 35 upwards 35 toppish 35 billowing 35 Betelgeuse 35 sky darkens 35 martian atmosphere 35 soaring 35 whooshes 35 planet Uranus 35 belched 35 blindingly bright 35 helium 35 corkscrewing 35 slews 35 levitating 35 ringed planet 35 evaporating 35 wispy clouds 35 vaporize 35 twinkling stars 35 Gene McGillian 35 buzzed overhead 34 SIRTF 34 Voyager spacecraft 34 nosedive 34 prerecession 34 comet tail 34 orbiting spacecraft 34 fluffy clouds 34 stair stepping 34 spiking 34 Propane tanks 34 whizzing