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Informations
Publié par | Teacher Created Materials |
Date de parution | 02 juillet 2018 |
Nombre de lectures | 0 |
EAN13 | 9781087629100 |
Langue | English |
Poids de l'ouvrage | 38 Mo |
Informations légales : prix de location à la page 0,1099€. Cette information est donnée uniquement à titre indicatif conformément à la législation en vigueur.
Extrait
.
Mapping
the
Milky
Way
.
Table
of
Contents
Mapping
the
Impossible
4
Home
Sweet
Home
6
Points
of
View
12
A
Scientist's
Toolkit
16
The
Next
Frontier
24
STEAM
Challenge
28
Glossary
30
Index
31
Career
Advice
32
.
Mapping
the
Impossible
Imagine
you
are
standing
in
the
middle
of
a
large
forest
.
Can
you
count
all
the
trees
in
the
forest
from
where
you
stand
?
You
can
count
the
trees
that
you
can
see
.
You
can
even
guess
how
many
trees
are
in
the
forest
.
But
the
forest
is
large
,
and
you
are
standing
in
the
middle
of
it
.
So
counting
all
the
trees
seems
like
an
impossible
task
!
This
is
what
it
is
like
for
scientists
who
are
trying
to
create
a
map
of
the
Milky
Way
.
It
is
a
very
difficult
thing
to
map
!
The
Milky
Way
is
huge
.
Also
,
Earth
is
part
of
it
.
And
then
there
is
the
pesky
problem
of
the
gas
and
dust
at
the
center
of
the
Milky
Way
that
block
our
view
.
How
do
we
make
a
map
of
the
Milky
Way
under
these
difficult
conditions
?
A
lot
of
people
have
worked
to
figure
this
out
.