First Sentence
But you can't see the 0-day Moon; that's the New Moon when its unilluminated surface faces the Earth. Read the first page
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Concordance
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These are the most frequently used words in this book.
1998
400
adjacent
again
another
between
bright
cassegrain
central
complex
condition
copernicus
crater
craterlets
dark
data
date
dtg
easily
east
eastern
exp
exposure
f3
film
first
floor
focus
form
frigoris
further
however
hrs
identify
illumination
imbrium
immediately
instr
instrument
km
kodak
lacus
large
lies
limb
little
local
look
lunar
lunation
mare
may
mons
montes
moon
mountains
names
neighbour
night
nikon
north
northern
now
pair
peak
photo
photographic
projection
prominent
region
ridge
rille
rim
rima
rimae
runs
rupes
sea
see
shadow
show
sinus
sirsalis
sky
south
southeast
southern
southwest
still
sun
surface
terminator
time
tonight
two
vallis
wall
west
western
yielding
