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Index

Andromeda Galaxy 20–21, 26–27 Little Dipper 15

Big Bang 6–7 Milky Way Galaxy 4–5, 11, 19,

Big Dipper 15 21–22, 24–27
black holes 18–19 nebulas 8–9, 17

blue giant stars 10 Orion Arm 22

Earth 4–5, 11–13, 17–18, 21, 24 Orion the Hunter 14
elliptical galaxies 22–23 red dwarf stars 10

gravity 8, 18–19, 26 Sagittarius A* 19

helium 6, 8 spiral galaxies 22, 24
Hubble, Edwin 6–7, 20–21 sun 4, 11–13, 16–17

hydrogen 6, 8, 10, 16 supernovas 16–17

irregular galaxies 22–23 yellow dwarf stars 11–12

About the Author

Catherine C. Finan is a writer living in northeastern Pennsylvania. One of
her most-prized possessions is a telescope that lets her peer into space.

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