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Mark Powers

Mark Powers is on page 241 of 912 of Astronomy: The Human Quest for Understanding

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Astronomy: The Human Quest for Understanding

Mark Powers

Mark Powers is on page 47 of 473 of Astrophysics Is Easy!: An Introduction for the Amateur Astronomer

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Astrophysics Is Easy!: An Introduction for the Amateur Astronomer

Mark Powers

Mark Powers is on page 43 of 473 of Astrophysics Is Easy!: An Introduction for the Amateur Astronomer

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Astrophysics Is Easy!: An Introduction for the Amateur Astronomer

Mark Powers

Mark Powers is on page 31 of 473 of Astrophysics Is Easy!: An Introduction for the Amateur Astronomer

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Astrophysics Is Easy!: An Introduction for the Amateur Astronomer

Mark Powers

Mark Powers is on page 12 of 473 of Astrophysics Is Easy!: An Introduction for the Amateur Astronomer

— Dec 23, 2025 08:42PM Add a comment

Astrophysics Is Easy!: An Introduction for the Amateur Astronomer

Mark Powers

Mark Powers is on page 4 of 473 of Astrophysics Is Easy!: An Introduction for the Amateur Astronomer

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Astrophysics Is Easy!: An Introduction for the Amateur Astronomer

Mark Powers

Mark Powers is on page 222 of 912 of Astronomy: The Human Quest for Understanding

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Astronomy: The Human Quest for Understanding

Mark Powers

Mark Powers is on page 210 of 912 of Astronomy: The Human Quest for Understanding

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Astronomy: The Human Quest for Understanding

Mark Powers

Mark Powers is on page 201 of 912 of Astronomy: The Human Quest for Understanding

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Astronomy: The Human Quest for Understanding

Mark Powers

Mark Powers is on page 195 of 912 of Astronomy: The Human Quest for Understanding

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Astronomy: The Human Quest for Understanding

Mark Powers

Mark Powers is on page 184 of 912 of Astronomy: The Human Quest for Understanding

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Astronomy: The Human Quest for Understanding

Mark Powers

Mark Powers is on page 165 of 216 of The Universe in a Nutshell

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The Universe in a Nutshell

Mark Powers

Mark Powers is on page 144 of 216 of The Universe in a Nutshell

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The Universe in a Nutshell

Mark Powers

Mark Powers is on page 135 of 216 of The Universe in a Nutshell

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The Universe in a Nutshell

Mark Powers

Mark Powers is on page 123 of 216 of The Universe in a Nutshell

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The Universe in a Nutshell

Mark Powers

Mark Powers is on page 118 of 216 of The Universe in a Nutshell

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The Universe in a Nutshell

Mark Powers

Mark Powers is on page 103 of 216 of The Universe in a Nutshell

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The Universe in a Nutshell

Mark Powers

Mark Powers is on page 85 of 216 of The Universe in a Nutshell

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The Universe in a Nutshell

Mark Powers

Mark Powers is on page 79 of 216 of The Universe in a Nutshell

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The Universe in a Nutshell

Mark Powers

Mark Powers is on page 50 of 216 of The Universe in a Nutshell

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The Universe in a Nutshell

Mark Powers

Mark Powers is on page 35 of 216 of The Universe in a Nutshell

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The Universe in a Nutshell

Mark Powers

Mark Powers is on page 30 of 216 of The Universe in a Nutshell

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The Universe in a Nutshell

Mark Powers

Mark Powers is on page 21 of 216 of The Universe in a Nutshell

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The Universe in a Nutshell

Mark Powers

Mark Powers is on page 7 of 216 of The Universe in a Nutshell

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The Universe in a Nutshell

Mark Powers

Mark Powers is on page 140 of 588 of Discovering the Universe (11th Edition) w/ 1 Term Achieve Access Code

— Dec 18, 2025 02:03PM Add a comment

Discovering the Universe (11th Edition) w/ 1 Term Achieve Access Code

Mark Powers

Mark Powers is on page 84 of 114 of Relativity: A Very Short Introduction

— Dec 18, 2025 08:58AM Add a comment

Relativity: A Very Short Introduction

Mark Powers

Mark Powers is on page 255 of 286 of Starlight: An Introduction to Stellar Physics for Amateurs (The Patrick Moore Practical Astronomy Series)

— Dec 17, 2025 07:18PM Add a comment

Starlight: An Introduction to Stellar Physics for Amateurs (The Patrick Moore Practical Astronomy Series)

Mark Powers

Mark Powers is on page 235 of 286 of Starlight: An Introduction to Stellar Physics for Amateurs (The Patrick Moore Practical Astronomy Series)

— Dec 17, 2025 02:58PM Add a comment

Starlight: An Introduction to Stellar Physics for Amateurs (The Patrick Moore Practical Astronomy Series)

Mark Powers

Mark Powers is on page 217 of 286 of Starlight: An Introduction to Stellar Physics for Amateurs (The Patrick Moore Practical Astronomy Series)

— Dec 17, 2025 02:26PM Add a comment

Starlight: An Introduction to Stellar Physics for Amateurs (The Patrick Moore Practical Astronomy Series)

Mark Powers

Mark Powers is on page 206 of 286 of Starlight: An Introduction to Stellar Physics for Amateurs (The Patrick Moore Practical Astronomy Series)

— Dec 17, 2025 11:29AM Add a comment

Starlight: An Introduction to Stellar Physics for Amateurs (The Patrick Moore Practical Astronomy Series)

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