Related by context. Frequent words. (Click for all words.) 60 rectangle 60 hexagon 56 concentric rings 56 spherical 55 concentric circles 54 radii 53 curvature 53 convex 52 vertices 52 ellipses 52 infinity 51 oblong 51 parabola 50 Milky Way Galaxy 50 rectangular 50 spiral galaxy 50 spacetime 50 geometrical 50 geometric 50 irregularly shaped 50 angular 50 vertical axis 49 squiggle 49 diagonals 49 hexagons 49 concentric 49 concave 49 circumference 49 diameter 49 horizontal 49 interferometer 49 starburst 48 whorls 48 rectangles 48 Saturn rings 48 orb 48 trapezoid 48 nebula 48 elliptical 48 orbits 47 geometry 47 crescent 47 elongated 47 protrusion 47 curvilinear 47 wedge shaped 47 triangular shaped 47 elliptical orbit 46 HD #b [002] 46 ejecta 46 symmetries 46 diagram 46 rectangular shaped 46 comet nucleus 46 planets orbiting 46 outermost 46 heliosphere 46 hexagonal 46 triangles 46 circular orbit 46 evenly spaced 46 umbra 46 curved 46 oval shaped 46 galaxy cluster 45 planets 45 diagonal 45 contour 45 waveguides 45 geometries 45 occultation 45 conical 45 precession 45 equinox 45 magnetization 45 ringed planet 45 vertically 45 spacings 44 indentation 44 spiral galaxies 44 Enceladus 44 micrometer 44 Sedna 44 geometric shapes 44 sunspot 44 distant galaxy 44 orthogonal 44 horizontal axis 44 semicircular 44 celestial bodies 44 wireframe 44 teardrop shaped 44 infrared wavelengths 44 petal 44 geometric forms 44 polygon 44 perpendicular 44 aperture 44 Uranus 43 Ophiuchus 43 planet orbiting