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0: Astronomy Toolkit

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    Introduction

    Brief into - not part of main textbook - resource for background information

    Thumbnail: 18 inch (46cm) Newtonian reflector telescope erected by British astronomer Andrew Ainslie Common in his garden shed around 1876 at his house in Ealing, near London, England. ("18 inch newtonian telescope back yard Ealing London Andrew Ainslie Common," Author Unknown, Public Domain via Wikimedia Commons)

    0: Astronomy Toolkit is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by LibreTexts.

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