How Big Are Things? Home     Welcome	small		Real world	big			solar system		between	galaxy
	nano	micro		meter	kilo		Mega	Giga	Tera	Peta	Exa

mm = 10-3 m

look at the entire room

galaxy		21
		20 19
local stars		18
		17 16
between		15
		14 13
E's orbit		12
		11 10
sun		9
		8 7
texas		6
		5 4
hood		3
		2 1
you		0
		-1 -2
salt grain		-3
		-4 -5
bacteria		-6
		-7 -8
atom		-9

    grain of salt ~ 1 mm marble ~ 10 mm

child's hand ~ 100 mm img by Lynn Bry

softball ~ 100 mm src

src ping pong     src

"hundreds" (100 mm, ~4 in)
0	1	2

0	1	2	3	4	5	6
inches

src

european starling original image by Phil Myers, src	src

Sea level rise, annual (global average over the last decade) src

eyeball src

... ... ... raindrops src

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