内容介绍：

天文学(Astronomy)是研究宇宙空间天体、宇宙的结构和发展的学科。内容包括天体的构造、性质和运行规律等。主要通过观测天体发射到地球的辐射，发现并测量它们的位置、探索它们的运动规律、研究它们的物理性质、化学组成、内部结构、能量来源及其演化规律。天文学是一门古老的科学，自有人类文明史以来，天文学就有重要的地位。

内容截图：

Contents at a Glance
Part 1: Eyes, Telescopes, and Light 1
1 Naked Sky, Naked Eye: Finding Your Way
in the Dark 3
Finding your way around the night sky requires no tele
scope.
2 Collecting Light 13
Telescopes: what they see and how they work.
3 Over the Rainbow 29
Learn what electromagnetic radiation is, how it travels,
and what it does.
Part 2: Worlds Without End 43
4 Solar System Family Snapshot 45
Take a tour through our solar system.
5 Hard, Rocky Places: The Inner Planets 57
Get the lowdown on Mercury, Venus, Earth, and Mars.
6 Bloated and Gassy: The Outer Planets 71
Find out all about Uranus, Neptune, Jupiter, and Saturn.
7 The Moon, Moons, and Rings 85
Discover information about the Earth’s moon—plus the
moons and rings of the jovian planets, and the story of
Pluto.
8 This World and Beyond 105
Learn how our solar system was born and developed—
and get a glimpse at planetary systems beyond our own.
Part 3: To the Stars 119
9 The Sun: Our Star 121
Explore the Sun.
10 Giants, Dwarfs, and the Stellar Family 135
Observe, measure, and classify the stars.
11 The Life and Death of Stars 153
Understand how stars evolve—and how they end their
lives.

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