semicircle; hemicycle; half globe; to go halfway round (e.g. the earth)
pipe; tube; gun barrel; gun; cannon; well lining
several times; several degrees
thousands; several thousand
ultraviolet rays; ultraviolet radiation
fall; drop; descent; coming down
friction; rubbing; chafing; discord; friction; strife
the vertical; height; front-to-back; length; north-to-south; vertical (relationship)
to fly about; to flutter about; to flit about; to fly past each other
common (of objects, abstract things); usual
pistol; handgun; revolver
ball; sphere; bead (of sweat, dew, etc.); drop; ball (in sports); pile (of noodles, etc.); bullet
star (usu. not including the Sun); planet (usu. not including Earth); star (glyph, symbol, shape); star (actor, player, etc.); small dot; spot; star point (in go)
falling object; fallen object
gravity; gravitation; gravitational pull
acceleration; speeding up
destructive power; destructive energy; destructive force
large hole; big deficit; heavy losses; long-shot win (in horse racing, etc.); big winnings (on a long shot)
broken into small fragments; smashed to atoms; fragments and splinters; smithereens
to feel that something is true or actually happening; to hit one (realization, thought); to sink in
parts; accessories; components
what is called; as it is called; the so-called; so to speak
artificial satellite; man-made satellite
Soviet Union; Union of Soviet Socialist Republics; USSR
lacking a plan; haphazard
to launch; to shoot up; (of waves) to dash; to wash up (ashore); to finish (e.g. a theater run, sumo tournament); to close
shuddering; shivering; trembling; being horrified; being disgusted
real feeling; actual feeling; to actually feel; to have a real feeling (that ...); to experience personally
to grow hot (e.g. water); to boil; to get excited (at); to erupt (in applause, cheering, etc.); to ferment; to melt (of metal)
(natural) satellite; moon; (artificial) satellite
that's a different matter; that's a different story
happiness; blessedness; luck; luckily; fortunately