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Astronomy Without A Telescope

the e-book is now available:

  • The book is also now available through the iBooks app. Here is a quick guide to getting the book onto i-devices, such as an iPad.
  • This is the Amazon version for Kindle. It will also work on devices (e.g. iPads) with a Kindle app.
  • This is the .epub version which will work on other e-book devices without Kindle functionality.

Blog Archives

370.2 Snippet_Recycling rockets

Landing some options.

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March 9, 2026 Posted in   Space missions, Space technology

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370.1 Snippet_Rotating Universe

A lot of spin.

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March 2, 2026 Posted in   Cosmology, Physics and astrophysics

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370. Dear Cheap Astronomy – Episode 139

Saving the world on a tight budget.

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February 23, 2026 Posted in   Asteroid mining, Dear CA, Space economy, Space technology

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369.2 Snippet_Future orbits

Rounding up.

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February 16, 2026 Posted in   Implausible engineering, Physics and astrophysics, Space technology

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369.1 Snippet_Rogue planets

Wandering alone.

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February 9, 2026 Posted in   Astronomy, Astrophysics, Exoplanets

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