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How Big Are Things?
Home     Welcome
small Real
world

big     solar system between galaxy
nano
micro
meter
kilo
Mega
Giga
Tera
Peta
Exa
  picometer's Room - looking at a sheet of graph paper
  pm = 10-12 m
look at the entire room
 
galaxy21
 20
19
local stars18
 17
16
between15
 14
13
E's orbit12
 11
10
sun9
 8
7
texas6
 5
4
hood3
 2
1
you0
 -1
-2
salt grain-3
 -4
-5
bacteria-6
 -7
-8
atom-9
10-12 m    1 pm
10-11 m    10 pm
10-10 m    100 pm

1 Angstrom

Bond lengths:
C-H
C-C
C=C
C=C
C-O
C=O
C=O
C-N
C=N
C=N


H van-der-Waals diameter

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