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This
lesson
covers
the
generation
of
the
Sun's
energy
through
nuclear
fusion,
as
well
as
some
ideas
about
the
evolution
of
stars
like
the
Sun
and
their
ultimate
collapse,
leading
in
some
cases
to
supernova
explosions.
The
section
also
acquaints
the
student
with
some
fundamentals
of
nuclear
physics.
In
addition,
the
lesson
plan
contains
a
supplemental
section,
which
is
a
historical
introduction
to
...
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Physics and Astronomy Education Files (title provided or enhanced by cataloger) -
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The inner radiation belt, discovered by Van Allen, consists of very energetic protons, a by-product of collisions of cosmic ray ions with atoms in the atmosphere. This site provides information on the behavior and relative energies of the particles in the belts. Historic information about the discoveries made in 1958 by a University of Iowa team, headed by James Van Allen, is cited as well.
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National Science Education Standards (NSES): Read
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This
site
describes
the
structure
and
dynamics
of
plasma
particles
in
the
immediate
vicinity
of
the
Earth.
The
boundary
between
the
Earth's
magnetosphere
and
the
interplanetary
magnetic
field
(IMF),
called
the
magnetopause,
is
described.
It
includes
polar
cusps,
neutral
points,
and
magnetic
reconnection
as
proposed
by
James
Dungey
in
1961.
Also
mentioned
is
the
bow
shock
due
to
the
high
speed
of
the
...
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National Science Education Standards (NSES): Read
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The
information
on
this
site
discusses
celestial
bodies
with
magnetospheres
and
also
types
of
high
energy
particles
and
radiation
found
in
space.
Space
probes
that
have
visited
the
giant
planets
in
our
solar
system
found
that
all
were
magnetized,
even
more
intensely
than
the
Earth,
and
all
were
surrounded
by
radiation
belts.
There
is
a
description
of
the
discovery
of
cosmic
rays
in
1912
by
Victor
...
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Choosing & Using this resource...
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National Science Education Standards (NSES): Read
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For
hundreds
of
thousands
of
years,
lava
flows
have
created
intricate
patterns
on
the
slopes
of
Hawaii's
Mauna
Loa
volcano.
Until
the
mid-1970s,
it
was
impossible
to
know
when
each
of
the
flows
occurred.
However,
as
this
video
segment
describes,
a
researcher
has
discovered
a
way
to
date
the
flows
by
determining
the
age
of
carbonized
plant
remains
that
they
covered.
The
segment
is
four
minutes
thirty-three
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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