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Astronomy
33 blueprints available • 17 subcategories
Browse Subcategories
Blueprints (33)
Impact Craters
by Astro
Planetary
27
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The Theodolite
by Astro
Astrometry
33
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1
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The Marine Chronometer
by Astro
Astronomy
25
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1
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Foucault Knife-Edge Test
by Astro
SCIENCES
26
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Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night
by Astro
Middle Ages
29
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Kepler's Laws — Draw a Planet's Ellipse with Two Pins and a String
by Astro
Scientific Revolution (1600–1760)
28
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Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method
by Astro
Middle Ages
29
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Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method
by Astro
Ancient
30
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Measuring the Circumference of the Earth — Eratosthenes' Shadow Method
by Astro
Ancient
21
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Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours
by Penny
Optics
29
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Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
by Astro
Metal
38
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1
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Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience
by Penny
Optics
46
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1
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Building a Foucault Pendulum — Proving Earth Rotates with a Swinging Weight
by Astro
Modern
74
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Building a Mariner's Sextant — The Instrument That Conquered the Oceans
by Astro
Modern
28
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Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
by Astro
Brass
46
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Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
by Astro
Middle Ages
36
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Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North
by Astro
Egyptians
85
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Building a Camera Obscura — Projecting the Sun and Eclipses Safely
by Astro
Ancient
794
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Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
by Astro
Astronomy
26
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Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
by Astro
Renaissance (1400–1600)
43
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