A Astronaut, Asteroid
B Black hole, bary center
C Craters, Comets
D dwarf planet, dust
E Earth, Eris
F flying
G galaxy, gravity
H Haumea,
I Infinity,
J Jupiter,
K Kuiper belt
L lunar module
M Moon, Milky way
N Nebula,Neptune
D dwarf planet, dust
E Earth, Eris
F flying
G galaxy, gravity
H Haumea,
I Infinity,
J Jupiter,
K Kuiper belt
L lunar module
M Moon, Milky way
N Nebula,Neptune
O Orbit,
P pluto, planets
R Rocket 5,
S Stars, Solar System
T Telescope,
U Uranus,
P pluto, planets
R Rocket 5,
S Stars, Solar System
T Telescope,
U Uranus,
V Venus,
X x ray telescope
Y
Y
Z Zero gravity