Related by context. Frequent words. (Click for all words.) 50 mote 49 dust particles 47 haloes 45 orbs 45 blobs 45 nodes 45 cumulus 45 spectrally 44 dust 44 orb 44 dye molecules 44 clusters 43 sensor 43 sensor arrays 43 sunbeams 43 sensors 43 dust bunnies 43 quanta 42 thunderclouds 42 particles 42 clouds 41 dust devils 41 lattices 41 Photons 40 wraiths 40 excitons 40 crystals 40 electromagnetic waves 40 cirrus 40 microscopic particles 40 aerosol particles 40 halos 39 cumulus clouds 39 magnifying lens 39 doohickey 39 laser pulses 39 planetary nebulae 39 speckle 39 Orbs 39 spectral 39 steam vents 39 Nodes 39 shorter wavelengths 39 planetary nebula 39 electron beams 39 magnetars 39 speck 39 spherules 39 particle 38 blob 38 photometer 38 flakes 38 interstellar dust 38 emanations 38 winged insects 38 microwave radiation 38 Wisps 38 droplets 38 agglomerations 38 terahertz radiation 38 liquid droplets 38 photonic crystal 38 microelectrodes 38 meteoroids 38 slightest breeze 38 vortices 38 solar corona 37 photons 37 dwarf galaxies 37 fleck 37 star Gliese 37 Andromeda galaxy 37 Hawking radiation 37 colossi 37 billiard balls 37 magnetic fields 37 active galactic nuclei 37 dinoflagellates 37 sunbeam 37 filaments 37 billowing clouds 37 mycelium 37 ectoplasm 37 Dust mites 37 thunderheads 37 gravitational waves 37 wisps 37 disembodied voices 37 geodesic 37 Bose Einstein condensate 37 infrared 37 airborne particles 37 Thick clouds 37 tendril 37 clumps 37 starbursts 37 auras 36 infrared IR 36 tufts 36 excitations 36 distant galaxy