GRAVITATIONAL
ATTRACTION
OBJECTS
GRAVITY
PLANETS
MASSES
ORBIT
EARTH
FORCE
MOON
S
U
D
J
N
F
O
R
C
E
U
A
H
O
O
F
Y
M
F
G
I
O
B
J
E
C
T
S
G
Q
N
N
U
L
T
V
M
M
A
S
S
E
S
E
J
T
W
E
A
J
T
A
W
P
E
S
A
E
D
A
L
G
U
N
H
I
R
A
A
Q
O
I
Y
L
Q
G
Q
O
O
X
B
N
A
U
A
E
U
U
I
G
G
K
U
I
E
R
I
T
U
B
E
M
A
Z
Y
Y
P
N
T
T
O
Y
T
S
P
O
N
W
Y
T
C
L
P
A
U
E
G
R
G
O
L
O
D
U
I
E
A
L
T
M
L
R
A
A
Q
O
O
U
K
V
A
N
A
I
L
P
J
C
A
S
Q
M
I
D
A
R
E
O
V
U
N
Y
T
O
W
V
L
V
U
R
T
T
P
A
A
O
B
I
L
Z
L
T
J
L
G
H
S
E
R
I
P
H
O
L
P
B
V
A
I
F
B
L
O
G
U
E
Q
N
Z
P
L
B
I
E
P
