Free Book: 2018 An Astronomer's Year
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Free Book: 2018 An Astronomer's Year
#astronomy "2018 an astronomer's year" will be on free promotion from tomorrow:
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Re: Free Book: 2018 An Astronomer's Year
Generous offer,
Will take advantage.
A lot of hard work went into the book..
Tony
Will take advantage.
A lot of hard work went into the book..
Tony
Vintage Celestron NS8 Circa, 2002.
The speed of light: 299,792,458 Meters per Second
The speed of time: One Second per Second.
The speed of gravity: 299,792,458 Meters per Second
Warp 10: Touching all points in the universe at the same time.
Welcome to the Universe (Its bigger than you think).
The speed of light: 299,792,458 Meters per Second
The speed of time: One Second per Second.
The speed of gravity: 299,792,458 Meters per Second
Warp 10: Touching all points in the universe at the same time.
Welcome to the Universe (Its bigger than you think).
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