°C l kg km m²
1
.
The
largest
star
is
the
supergiant
Betelgeux
and
it
has
a
diameter
of
about
700
,
000
,
000
about
500
times
bigger
than
the
sun
.
2
.
The
temperature
on
the
surface
of
the
Sun
is
about
5
,
500
.
3
.
If
you
weigh
50
kg
on
earth
,
you
will
weigh
8
.
5
on
the
moon
.
4
.
Mars
has
0
of
water
,
but
scientists
believe
there
was
water
on
the
planet
at
some
point
in
the
past
.
5
.
The
surface
area
of
the
Sun
is
approximately
60885750
,
000
,
000
,
000
.