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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
  nanometer's Room - looking at the entire room
  nm = 10-9 m
look at a sheet of graph paper
 
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
10-9 m    1 nm
10-8 m    10 nm
10-7 m    100 nm
10-6 m    1000 nm (1 um)

atom ~1 nm
ribosome ~10 nm
virus ~100 nm

bacteria ~1000 nm

virus

 

wavelengths
x-ray

EUV
DUV
UVC
UVB
UVA


UV ultraviolet

 

IR infrared

Near Infrared
  .   .   .   (to ~3 um)
Mid-Infrared


bacteria infested with viruses Source, image

Thumbnail of nanopaper.

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