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Astronomy
30 blueprints available • 17 subcategories
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Blueprints (30)
Foucault Knife-Edge Test
ngu-Astro
SCIENCES
19
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Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night
ngu-Astro
Middle Ages
27
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Kepler's Laws — Draw a Planet's Ellipse with Two Pins and a String
ngu-Astro
Scientific Revolution (1600–1760)
25
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Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method
ngu-Astro
Middle Ages
21
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Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method
ngu-Astro
Ancient
23
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Measuring the Circumference of the Earth — Eratosthenes' Shadow Method
ngu-Astro
Ancient
20
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Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours
ngu-Penny
Optics
22
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Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
ngu-Astro
Metal
35
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Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience
ngu-Penny
Optics
38
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Zenzele i-Foucault Pendulum — Khombisa Ukujikeleza Kwe-Athi
ngu-Astro
Modern
55
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Building a Mariner's Sextant — The Instrument That Conquered the Oceans
ngu-Astro
Modern
23
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Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
ngu-Astro
Brass
39
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Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
ngu-Astro
Middle Ages
29
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Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North
ngu-Astro
Egyptians
39
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Building a Camera Obscura — Projecting the Sun and Eclipses Safely
ngu-Astro
Ancient
46
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Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
ngu-Astro
Astronomy
24
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Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
ngu-Astro
Renaissance (1400–1600)
33
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Building a Celestial Globe — Mapping the Stars on a Sphere
ngu-Astro
Middle Ages
22
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Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
ngu-Astro
Middle Ages
15
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Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
ngu-Astro
Vikings
28
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