What Is an Object in the Sky?

What Is an Object in the Sky? book cover — CONTENTS Objects in the Sky Stars Galaxies IO Lightning Meteoroids Comets I2 14 16 Dwarf planets 18 20 22 Artificial Satellites Space Junk Black Holes Auroras Rainbows Explaining Objects in the Sky 24 26 28 Glossary 30 31 For More Information Index 32

What Is an Object in the Sky? — page 1 — OBJECTS IN THE SKY Cectus Since ancient times people have tried to explain the things they could see in the sky Different cultures have seen different patterns in the stars They have named constellations after familiar animals everyday objects and story characters Ancient peoples also believed that angry gods threw lightning bolts from the heavens to punish humans on Earth Since these times scientists have learned much about what is really in the sky Pisces uariu A This illustration shows the constellation Orion named after the hunter in Greek

What Is an Object in the Sky? — page 2 — Constellations are among the many fascinating objects in the sky vy VN NY Orion Canis Minor Aurig When people think of objects in the sky they may think about planets the Sun So the Moon and the constellations Le Many other bodies orbit Earth and the Sun however Some of these bodies are natural Hydra Others are human made The sky in Earth's atmosphere holds many interesting objects as A well We may not need Major L a telescope to see them but they are no less dazzling Loo Mino Use r Daco Cygnus Bootes Hacules IT atmosphere is The the layer of gas that surrounds Earth 12

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