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Earth
provides
a
comfortable
and
temperate
environment
for
a
wide
variety
of
living
organisms.
However,
in
the
past
few
decades,
scientists
have
discovered
unusual
life
forms
thriving
in
areas
where
the
majority
of
living
things
on
Earth
could
never
survive,
such
as
near
deep
sea
vents,
in
dry
deserts,
or
on
frozen
ice
sheets.
This
video
segment
explores
life
forms
that
survive
in
extreme
conditions
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Without
liquid
water,
terrestrial
life
could
not
exist.
All
living
organisms
on
Earth
depend
on
water
and
its
unique
chemical
and
physical
properties.
In
the
search
for
life
beyond
Earth,
scientists
have
focused
their
efforts
on
looking
for
signs
of
liquid
water.
This
essay
discusses
the
properties
of
liquid
water
that
are
conducive
to
life,
pointing
out
that
the
biochemical
reactions
that
sustain
...
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The
Magnetosphere
of
Mars
is
a
Windows
to
the
Universe
Exploratour
and
provides
information
and
images
about
the
force
of
magnetism
and
magnetic
fields,
planetary
magnets,
planetary
magnetospheres,
and
the
magnetosphere
as
a
protector.
Windows
to
the
Universe
is
a
user-friendly
learning
system
pertaining
to
the
Earth
and
Space
sciences.
The
objective
of
this
project
is
to
develop
an
innovative
and
...
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Carbon
Cycle
of
Mars
is
a
Windows
to
the
Universe
Exploratour
and
provides
information
and
images
about
carbon
dioxide
and
the
lower
atmosphere
of
Mars.
Windows
to
the
Universe
is
a
user-friendly
learning
system
pertaining
to
the
Earth
and
Space
sciences.
The
objective
of
this
project
is
to
develop
an
innovative
and
engaging
web
site
that
spans
the
Earth
and
Space
sciences
and
includes
a
rich
array
...
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It
is
not
easy
to
get
to
Mars.
Dozens
of
past
missions
have
failed,
with
only
a
handful
even
attempting
to
land
on
the
planet's
surface.
However,
in
January
2004,
careful
planning
paid
off
when
the
Mars
Exploration
Rover
mission
successfully
landed
two
rovers,
Spirit
and
Opportunity.
This
video
segment,
adapted
from
a
NOVA
television
broadcast,
describes
the
history
of
Mars
exploration,
the
many
failed
...
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This article presents information about the radiation hazards facing astronauts who travel to Mars. It covers the types of radiation including the most dangerous, galactic cosmic rays (GCRs), the damage it does to the body, and methods of shielding against it. One can also listen to this story via streaming audio or a downloadable file.
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Choosing & Using this resource...
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Mars
Climate,
Now
and
In
the
Past
is
a
Windows
to
the
Universe
Exploratour
and
provides
information
and
images
about
Mars'
unusual
climate,
Martian
cryosphere,
possible
running
water,
Martian
atmosphere,
Martian
clouds,
Martian
orbital
eccentricity,
global
cooling,
Mars
Pathfinder
Results,
and
theories.
Windows
to
the
Universe
is
a
user-friendly
learning
system
pertaining
to
the
Earth
and
Space
sciences.
...
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In this lesson students explore the idea of using probes to gain scientific information on both Mars and Earth. The students also attempt to determine the likely surface temperature at landing sites on Earth that are comparable to Pathfinder and Viking sites on Mars. This is the fifth in a series of interactive student lessons from the Martian Sun Times.
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Mars
Pathfinder/
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Comparing
the
Surfaces
of
Earth
and
Mars
is
a
Windows
to
the
Universe
Exploratour
and
provides
information
and
images
about
different
features
found
on
the
surface
and
the
geography
of
both
planets:
continents,
craters,
volcanoes,
plate
tectonics,
rocks,
soils,
water,
and
polar
caps.
Windows
to
the
Universe
is
a
user-friendly
learning
system
pertaining
to
the
Earth
and
Space
sciences.
The
objective
...
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Choosing & Using this resource...
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