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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
  Gigameter's Room - looking at the entire room
  Gm = 109 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
109 m    1 Gm
1010 m    10 Gm
1011 m    100 Gm
1012 m    1000 Gm (1 Tm)


Betelgeuse (red super-giant) (about to go boom)

light-kiloseconds ( 103 lt·s )
0
1
2
3
4
5

light-minutes (lt·min)
0
10
20
30
40
50
60

Thumbnail of Gigapaper.

Orbits (src) of
Mercury
Venus
(paper plate)
Earth
Mars
Jupiter

Solar System Live (on 2002-Jun-20):

(c) 2000-2003 Mitchell N Charity. All rights reserved.
Noncommercial use is fine. Otherwise, ask.