C
o
m
p
u
t
a
t
i
o
n
a
l
E
s
s
a
y
S
a
m
p
l
e
C
o
n
t
e
n
t
▼
O
p
e
n
G
u
i
d
e
l
i
n
e
s
T
o
o
l
s
C
h
e
c
k
P
u
b
l
i
s
h
t
o
C
l
o
u
d
S
u
b
m
i
t
t
o
N
o
t
e
b
o
o
k
A
r
c
h
i
v
e
I
n
s
e
r
t
C
o
d
e
G
r
o
u
p
I
n
s
e
r
t
H
e
a
d
i
n
g
s
▼
I
n
s
e
r
t
T
e
x
t
▼
O
p
e
n
/
C
l
o
s
e
G
r
o
u
p
s
▼
Fundamentals of Astrophysics and Astronomical Distances Continued
A
u
t
h
o
r
N
a
m
e
Abstract
Exercises
1
2
