10
2.1
Bravo
The
test
initial
thermonuclear
device
--
event
device
was
1000
It
had
been
blown
to
2.1
the
at
Rongelap
as
to
east
suggest
snowing
to
(Sharp
in
the
of
that
that
at
and during
Rongelapese,
& Chapman,
powdery,
1,
Bikini
as
the
1954,
Atoll,
bombs
25 miles
when
above
the
that
the
a 17-megaton-yield
Bravo
test.
destroyed
earth,
The
Nagasaki
and after
10
70 miles.
the
about
the
finely
it
been
by the
military.
for
would
7 hours
never
Rather
seen
than
fallout,
clothing.
blown
reason
after
ensuing
or
be
whatever
5 hours
granular
from food
separate
“cloud��
who had
1957).
was made to
issued
at
Unexpectedly
so
Atoll,
off
rose
planned
#l).
on March
powerful
cloud
a diameter
(Fig.
played
its
as
had
north
occurred
was set
times
and Hiroshima;
minutes
1954
to
(Note
detonation
fell
snow,
avoiding
in
that
the
west
3),
it
fallout
such
it
contact,
and
was
began
quantities
was
children
and no particular
effort
No warning
had
was or