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Mark Powers
> Recent Status Updates
Showing 1-30 of 298
Mark Powers
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Final Bearing (Hunter Killer #1)
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Final Bearing (Hunter Killer #1)
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Final Bearing (Hunter Killer #1)
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Final Bearing (Hunter Killer #1)
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Mark Powers
is on page 202 of 255 of
Observer's Guide to Stellar Evolution: The Birth, Life and Death of Stars
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Jan 31, 2026 05:38PM
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Mark Powers
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Observer's Guide to Stellar Evolution: The Birth, Life and Death of Stars
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Mark Powers
is on page 169 of 255 of
Observer's Guide to Stellar Evolution: The Birth, Life and Death of Stars
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Mark Powers
is 30% done with
Final Bearing (Hunter Killer #1)
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Jan 31, 2026 11:40AM
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Mark Powers
is on page 128 of 255 of
Observer's Guide to Stellar Evolution: The Birth, Life and Death of Stars
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Jan 27, 2026 02:24PM
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Mark Powers
is on page 102 of 255 of
Observer's Guide to Stellar Evolution: The Birth, Life and Death of Stars
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Mark Powers
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Observer's Guide to Stellar Evolution: The Birth, Life and Death of Stars
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Jan 25, 2026 06:58PM
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Mark Powers
is on page 163 of 217 of
The Star Guide: A Unique System for Identifying the Brightest Stars in the Night Sky, Revised, Celestial Sport Edition, Vol. 1: Introduction, Rising Stars of Winter
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Jan 25, 2026 08:44AM
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Mark Powers
is on page 90 of 255 of
Observer's Guide to Stellar Evolution: The Birth, Life and Death of Stars
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Jan 25, 2026 06:14AM
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Mark Powers
is on page 40 of 80 of
The Greatest Sentence Ever Written
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Jan 22, 2026 02:25PM
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Mark Powers
is on page 40 of 255 of
Observer's Guide to Stellar Evolution: The Birth, Life and Death of Stars
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Mark Powers
is on page 7 of 255 of
Observer's Guide to Stellar Evolution: The Birth, Life and Death of Stars
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Jan 14, 2026 05:59AM
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Mark Powers
is on page 3 of 255 of
Observer's Guide to Stellar Evolution: The Birth, Life and Death of Stars
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Jan 14, 2026 05:52AM
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Mark Powers
is on page 136 of 217 of
The Star Guide: A Unique System for Identifying the Brightest Stars in the Night Sky, Revised, Celestial Sport Edition, Vol. 1: Introduction, Rising Stars of Winter
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Jan 11, 2026 01:48PM
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Mark Powers
is on page 126 of 217 of
The Star Guide: A Unique System for Identifying the Brightest Stars in the Night Sky, Revised, Celestial Sport Edition, Vol. 1: Introduction, Rising Stars of Winter
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Jan 11, 2026 05:39AM
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Mark Powers
is on page 105 of 217 of
The Star Guide: A Unique System for Identifying the Brightest Stars in the Night Sky, Revised, Celestial Sport Edition, Vol. 1: Introduction, Rising Stars of Winter
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Jan 10, 2026 03:04PM
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Mark Powers
is on page 102 of 217 of
The Star Guide: A Unique System for Identifying the Brightest Stars in the Night Sky, Revised, Celestial Sport Edition, Vol. 1: Introduction, Rising Stars of Winter
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Jan 10, 2026 01:16PM
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Mark Powers
is on page 96 of 217 of
The Star Guide: A Unique System for Identifying the Brightest Stars in the Night Sky, Revised, Celestial Sport Edition, Vol. 1: Introduction, Rising Stars of Winter
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Jan 10, 2026 01:07PM
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Mark Powers
is on page 70 of 217 of
The Star Guide: A Unique System for Identifying the Brightest Stars in the Night Sky, Revised, Celestial Sport Edition, Vol. 1: Introduction, Rising Stars of Winter
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Jan 10, 2026 11:13AM
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Mark Powers
is on page 164 of 210 of
A Student's Guide to the Mathematics of Astronomy
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Jan 09, 2026 04:32PM
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Mark Powers
is on page 160 of 210 of
A Student's Guide to the Mathematics of Astronomy
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Jan 09, 2026 09:48AM
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Mark Powers
is on page 144 of 210 of
A Student's Guide to the Mathematics of Astronomy
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Jan 09, 2026 06:50AM
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Mark Powers
is on page 107 of 210 of
A Student's Guide to the Mathematics of Astronomy
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Jan 08, 2026 07:32AM
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Mark Powers
is on page 73 of 210 of
A Student's Guide to the Mathematics of Astronomy
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Jan 07, 2026 06:43AM
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Mark Powers
is on page 44 of 210 of
A Student's Guide to the Mathematics of Astronomy
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Jan 06, 2026 10:38AM
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Mark Powers
is on page 41 of 210 of
A Student's Guide to the Mathematics of Astronomy
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Jan 06, 2026 10:31AM
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