The Earth: One-of-a-Kind Planet -- Look Inside

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PICTURE BOOK SCIENCE

the

One-of-a-Kin d Planet

LAURA PERDEW

Illustrated by Shululu



the

One-of-a-Kin d Planet

LAURA PERDEW

Illustrated by Shululu


long time ago, , g n Ear A lo

n. he

is full rth

ced du ro

. . it

of life

gassy, bub . Hot, b l y .B u tt

ater collected W . . Itt ly w y-b lo i lt up in th i u b ci h

less life

hen, new l d. T i f e ge p er

.

em

now, Ea nd

osphere. A m t a e

as

tt

y-tiny life for n e ms ,y te

th w

oxygen— w h

d—slowly coole

—slo w l y —

s


Hello, Earthling! I’m Universe, and I’m here to tell you about some of my best parts, like your amazing planet, Earth. It’s my pride and joy. You live on Earth, but do you know how incredible it really is?

we go. Oh boy, here

Yup. Univers e is bragging about Earth a gain.

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Let’s start with its solar system. There are eight planets there! Earth is the third planet from the sun. And each of the planets—including yours— orbits around the sun on its own path.

Mars

It’s a pretty neat system, if I do say so myself.

y

M ercur

Venus

2

Ear

th


er

S at u r n

t

Ur

n e go o s r e v i oes Un lar system d y h W so rt THAT ne small pa t u o b a o ’s only ay galaxy? t i n e wh ilky W M e h t of

u an

s

r T sola A H T se it. Becau as Earth in h system ets all g h t r Ea ntion. e t t a the

N

J

i up

tu n e ep

3


Do you know how long your planet has been part of that system? Earth has celebrated more than

4 billion, 500 million birthdays! When Earth was first born, it was a hot, bubbling, gassy mess for a VERY long time.

4


I wondered if your planet would ever make something of itself. But then . . .

d Universe e is r p r u s I’m about how didn’t go on has had. it s y a d h t ir many b

Like 13 billion, 700 million of them!

That’s a lot of cake.

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. . . slowly . . . slowly . . . slooooooooowly, it cooled. It’s still pretty hot on the inside, even today. And, as you know, the outside is crusty. The crust you are sitting on right now is rock formed from cooled magma—that hot, bubbling, gassy mess I told you about.

va a L a o lc

V

no

Cr u st 6

Magma


eason r e n o rust is etter That c ing here b ky om tin I like c se soupy, s ho than t as giants. g

You mean Jupiter, Saturn, Uranus, and Neptune?

Yup. P-U!

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