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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
  meter's Room - looking at a sheet of graph paper
  m = 100 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
100 m    1 m
101 m    10 m
102 m    100 m

you!
car

whale
redwood ("Atlas") rainforest src

747
737

US football
college basketball tennis softball diamond

world football (international match size) src



hectare (100 m x 100 m)

acre

feet (ft)
0
100
200
300
400
500

Boston Prudential Tower
data


Statue of Liberty
src img
World Trade Center
Empire State Building
data
Taj Mahal
data

Eiffel Tower
data
1000 ft

Distance traveled in 1 second at
1 m/s (shuffling)
2 m/s (walking) (1 mile per hour)
3 m/s (jogging)
4 m/s (running)
2.8 m/s (10 kph - km per hour)
10 m/s (20 mph)
28 m/s (100 kph)
32 m/s (65 mph)
100 m/s (200 mph)
Click on/off 1 m/s
walking 2 m/s
running 4 m/s
highway 32 m/s


src
USS John F. Kennedy (CV 67) size

(1 foot long)

original, src
Greek trireme (3-4 m/s)

src

A cube of 100 billionUS pennies
1/2 of those circulating
1/3 of those ever minted
(this area is about 4 × 109 pennies layed flat)

Thumbnail of millifloor.

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