McAnulty - Sun! One in a Billion

For Momyou are my sunshine! S. M. For Stanley, Emily, and Ellisyou are the sun
that keeps me filled with joy and life S. L. For Plutoregardless of your status, youll
always be part of my solar system S. eISBN 978-1-250-22991-5 Our books may be purchased in bulk for promotional, educational, or business use.
Please contact your local bookseller or the Macmillan Corporate and Premium Sales Department
at (800) 221-7945 ext. 5442 or by e-mail at MacmillanSpecialMarkets@macmillan.com.
Library of Congress Control Number 201893660 First edition, 2018 / Designed by April Ward
The artist used colored pencils and digital tools to create the illustrations in this book. 5442 or by e-mail at MacmillanSpecialMarkets@macmillan.com.
Library of Congress Control Number 201893660 First edition, 2018 / Designed by April Ward
The artist used colored pencils and digital tools to create the illustrations in this book.

For Momyou are my sunshine! S. M. For Stanley, Emily, and Ellisyou are the sun
that keeps me filled with joy and life S. L. For Plutoregardless of your status, youll
always be part of my solar system S. eISBN 978-1-250-22991-5 Our books may be purchased in bulk for promotional, educational, or business use.
Please contact your local bookseller or the Macmillan Corporate and Premium Sales Department
at (800) 221-7945 ext. 5442 or by e-mail at . 5442 or by e-mail at .

Library of Congress Control Number 201893660
First edition, 2018 / Designed by April Ward
The artist used colored pencils and digital tools to create the illustrations in this book.

Once upon a timeabout
4.6 billion years ago
a magnificent and important
star was born. And that magnificent and important star was me.
Your Sun. (With a capital S .) Once upon a timeabout
4.6 billion years ago
a magnificent and important
star was born. And that magnificent and important star was me.
Your Sun. (With a capital S .)

Yes, I am a star .

Star: (1) a massive and luminous
ball of gas, full of energy; (2) an outstandingly talented and popular performer.
I fit both definitions. |
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| Yes, I am a star . Star: (1) a massive and luminous
ball of gas, full of energy; (2) an outstandingly talented and popular performer.
I fit both definitions.

The Milky Way galaxy has over
100 billion stars. That makes me one in a billion.
Or, um... one in billion.

Im not the biggest. So what.
Not the brightest. Who cares.
Not the oldest. Whatever. But I am the most important.
At least to you Earthlings. |
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| The Milky Way galaxy has over
100 billion stars.

That makes me one in a billion.
Or, um... one in billion. Im not the biggest. So what.
Not the brightest. Who cares.
Not the oldest. Whatever.

But I am the most important.
At least to you Earthlings.

Can you hang out for eight minutes?
Thats how long it takes my
light to reach Earth. Yep, I give you heat and
light. Youre welcome. Im so important that Earthlings should
name a special day in my honor. We
can call it Sundaaaaoh, wait.

Can you hang out for eight minutes?
Thats how long it takes my
light to reach Earth. Yep, I give you heat and
light. Youre welcome. Im so important that Earthlings should
name a special day in my honor. We
can call it Sundaaaaoh, wait.

Im famous for my heat and
light, but I also hold our entire
solar system together.

Scientists call it gravity .
What can I say? The planets are attracted to me. Im famous for my heat and
light, but I also hold our entire
solar system together. Scientists call it gravity .
What can I say? The planets are attracted to me.

And because Im the center of our solar system,
life revolves around meliterally. |
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| Look! They all go in the same direction. And because Im the center of our solar system,
life revolves around meliterally.

Look! They all go in the same direction.

Those other stars are far, far away from Earth.
Which makes them look teeny tiny and not so important.
Im closea mere 93 million miles from Earth.
To an Earthling, I look like this. But to Neptunians, Im 2,795 million
miles away. And I look like this.
(If there were Neptunians. Theres
no known life on Neptune.) |
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| Those other stars are far, far away from Earth.
Which makes them look teeny tiny and not so important.
Im closea mere 93 million miles from Earth.
To an Earthling, I look like this. But to Neptunians, Im 2,795 million
miles away.

And I look like this.
(If there were Neptunians. Theres
no known life on Neptune.)

Technically, Im a yellow dwarf star. |
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| But Im still a big, big deal. If I were the size of a basketball,
Earth would be smaller
than a grain of sand. You could fit about
one million Earths inside me. Technically, Im a yellow dwarf star.

But Im still a big, big deal. If I were the size of a basketball,
Earth would be smaller
than a grain of sand. You could fit about
one million Earths inside me.

But you cant fill me with Earths because Im hot stuff.
Compare: A hot
summer day:
90F. A pizza oven:
700F. |
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| Me!
At my center,
27 millionF. |
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| Me!
At my center,
27 millionF.

But you cant fill me with Earths because Im hot stuff.
Compare: A hot
summer day:
90F. A pizza oven:
700F. The orange
yellow flames
in a campfire:
about 2,000F. Me!
At my center,
27 millionF.

Ancient Earthlings
thought I circled the Earth. Can
you imagine? Me revolving around Earth? |
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| And some might think that I sit in the
sky all day and all night.

But I got
moves, baby. Im spinning. And because Im not solid, my middle moves
faster than my top and bottom. About
Earth days
to rotate About Earth days to rotate Dont try this at home. Ancient Earthlings
thought I circled the Earth. Can
you imagine? Me revolving around Earth? And some might think that I sit in the
sky all day and all night.

But I got
moves, baby. Im spinning. And because Im not solid, my middle moves
faster than my top and bottom. About
Earth days
to rotate About Earth days to rotate Dont try this at home.

Im not only important;
Im generous and good looking. |
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| Sit back and enjoy the show.

Im not only important;
Im generous and good looking. Sit back and enjoy the show.

Sometimes, I like to be mysterious and
sneak away for a few minutes. Solar eclipse!
But dont worry, Im just behind the Moon. While Im astronomically bigger than the Moon
(400 times wider), the Moon is astronomically
closer to Earth (almost 400 times closer). Sometimes, I like to be mysterious and
sneak away for a few minutes.

Solar eclipse!
But dont worry, Im just behind the Moon. While Im astronomically bigger than the Moon
(400 times wider), the Moon is astronomically
closer to Earth (almost 400 times closer).

My neighbor stars have fancy names.
Meet Proxima Centauri, Alpha Centauri A,
and Alpha Centauri B. |
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