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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 the entire room
  m = 100 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
100 m    1 m
101 m    10 m
102 m    100 m
103 m    1000 m (1 km)

light-microseconds ( 10-6 lt·s )
0
1
2
3
4
5

feet (ft)
0
1000
2000
3000
4000
5000


0

1

2

3

4

5
sound-seconds (in STP air)

land mile (mi)
0
1

0

1
nautical mile

acre

hectare

distance traveled by sound, in STP air
0 s
1 s
2 s
3 s
4 s
5 s
3 seconds per km, 5 seconds per mile

sound in air (STP) How many meters per second? 330 m/s.


Boston: Charles River, Prudential Building (should extend down too), sunken highway

src
Pompeii ( interactive map , conjectural detail map , ok navigation game , air photo )


src

Thumbnail of meterpaper.

average ocean depth
(swimming pool!)
Antartic ice sheet average land height above sea level
 

Looking east up the Khumbu Icefall, with Mt. Everest (aka Sagarmatha), Lhotse and Nuptse.
Original image from here. A map.

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