pull, collide, fly off, rotate, cycle, streak, drift, fluctuate, eclipse, trace, circle, spin, revolve, loop, spin off, pass, turn, span, wheel around, orbit, oscillate, gravitate, circumnavigate, expand, cluster, circuit, pulse, recede, accelerate, decelerate, transit, wobble, precess, occult, implode, rush
blast, fly off, discharge, spew, fume, fuse, sear, convert, rocket, surface, bond, diffuse, radiate, shine, emit, explode, emanate, spin off, gravitate, expand, rain, give off, beam, ignite, climax, elapse, collapse, implode, cloud, engulf, magnetize, coalesce, oxidize, aggregate, originate, fission, ionize, disperse, synthesize
struggle, thrust, poke, arc, shoot, ripple, drop, rise, rotate, stab, set, sear, die, climb, streak, fade, glisten, darken, wane, ebb, glow, lighten, radiate, glitter, glint, eclipse, flare, gleam, shine, emit, brighten, illuminate, burn, light, dim, pale, circle, revolve, loop, span, orbit, give off, appear (in the night sky), sink, vanish, disappear, spill (light), grow dim, shed (layers of gas), convert (rotational energy)
push, arc, settle, drop, rise, rotate, set, climb, bathe, fade, wax, wane, ebb, glow, lighten, eclipse, emit, brighten, light, pale, circle, revolve, orbit, sink, vanish, disappear, spill (light), grow dim, pull (on the tides), struggle (through clouds), peek (through clouds), reflect (the sun's light), illuminate (the night sky)
blast, compress, separate, fire, launch, shed, rise, decontaminate, land, rocket, soar, glide, tether, open, rendezvous, pressurize, depressurize, contaminate, decompress, shuttle, pilot, command, separate (fuel tanks), sample (air/rock), take off, count down, lift off, blast off, voyage, sway, steam off
gauge, measure, model, conjecture, speculate, theorize, study, investigate, observe, discover, trace, classify, record, study (celestial bodies), discover (pulsars), measure (distance/speed), analyze (data), detect (x-ray pulses), research, describe (phenomena in the sky), build (instruments that analyze phenomena in the sky), operate (observatory), scan (the sky), calculate, estimate, predict, compute, date, hypothesize, postulate, carbon-date, explore (space), examine (data)
part, scoot, probe, pad, scale, wade, troop, amble, slither, hunt, root, tread, clamber, scramble, scamper, track, trail, pursue, scout, spot, seek, investigate, read, trace, circle, explore, snoop, progress, hike, troll, romp, muck around/about, make one's way, plot (a course), trek, backpack, tramp, pick one's way (through the thicket), scan (for landmarks), grope around/through, slice across (terrain), swing at, duck under, wind through (terrain), journey, cover (miles), navigate (with a compass), slop (through puddles), avoid (poison plants)