Keywords
artwork, astrometry, astronomy, astrophysics, black background, color image, companion, comparison, concept, diagram, digitally generated image, gravitation, gravitational pull, gravity, horizontal, illustration, lines, mass, measurement, measuring, motion, no people, orbit, oscillating, oscillation, pattern, physics, position, science, sine wave, sinusoid, space, stars, text, variation, wave, wobble, stock illustration, royalty free illustrations, stock clip art icon, stock clipart icons, logo, line art, EPS picture, pictures, graphic, graphics, drawing, drawings, vector image, artwork, EPS vector arts, fine art prints, print, poster, posters, mural, wall murals, fsu100006s