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After
Antarctica,
Greenland's
ice
cap
contains
the
second
largest
mass
of
frozen
fresh
water
in
the
world.
Based
on
new
research
using
NASA's
airborne
laser
altimeter,
scientists
have
identified
pronounced
thinning
of
Greenland's
ice
cap.
This
new
research
indicates
enough
ice
loss
to
cause
a
measurable
rise
in
sea
levels.
This
site,
produced
by
NASA's
Scientific
Visualization
Studio,
features
text,
...
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This page examines the discussion among scientists regarding the retreat or growth of the West Antarctic Ice Sheet. It appears that the West Antarctic Ice Sheet is retreating more slowly than they thought. In fact, it may have been growing just 8,000 years ago, long after the end of the most recent Ice Age. The article features text, maps, graphs, and links to related topics.
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Recent
satellite
images
have
revealed
two
new
icebergs
floating
off
the
Antarctic
coast.
The
icy
behemoths
are
fragments
of
the
Ninnis
Glacier.
This
NASA
fact
sheet
uses
text
and
remotely
sensed
imagery
to
describe
the
events
of
January
2000,
in
which
a
large
tongue
of
the
Ninnis
Galcier
broke
off
and
split
into
two
gigantic
icebergs.
The
breakup
of
the
Ninnis
Glacier
Tongue
has
important
implications
...
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During
most
of
the
last
one
billion
years
the
globe
had
no
permanent
ice.
However,
sometimes
large
areas
of
the
globe
were
covered
with
vast
ice
sheets.
Users
can
read
and
view
pictures
which
help
explain
what
ice
ages
are,
when
they
occurred,
and
why
they
occur.
This
site,
sponsored
by
the
Illinois
State
Museum,
has
links
to
web
pages
on
paleontology
of
the
midwestern
United
States
during
the
last
...
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The
Galileo
educator
site
offers
educators
and
students
interesting
facts
about
NASA's
Galileo
mission
to
Jupiter
and
Europa,
and
many
classroom
activities.
There
are
activities
to
interpret
new
images
of
new
worlds,
planets
and
satellites,
navigating
the
solar
system,
planetary
surfaces,
a
closer
look
of
Europa,
design
a
spacecraft
to
test
for
life
on
Europa,
building
a
scale
model
of
the
Galileo
...
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NASA's
Visible
Earth
is
a
searchable
directory
of
images,
visualizations,
and
animations
of
the
Earth.
The
images
are
also
listed
under
the
following
categories:
agriculture,
atmosphere,
biosphere,
cryosphere,
human
dimensions,
hydrosphere,
land
surface,
oceans,
radiance
or
imagery,
solid
earth,
locations,
and
satellites.
Accompanying
each
image
are
credits,
data
about
the
image,
the
satellite
it
...
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