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Split light into the colours of the rainbow with this DIY spectroscope

Ella Wang from Astro3D explains how rainbows are used in telescopes to observe astronomical objects far, far away. For more fun activities visit: https://astro3d.org.au/education-and-... DIY Spectroscope template: https://science.anu.edu.au/files/ASTR... Where to find the diffraction grating: https://www.edmundoptics.com.au/p/127... For more visit https://science.anu.edu.au/ 0:00 Intro 0:29 Spectroscope uses 0:41 What you need 1:09 Safety 1:21 Diffraction grating 1:38 First Step 3:09 Diffraction grating orientation 3:55 Finished spectroscope 4:32 How it works 5:18 Observing household lights 5:35 Observing neon light 6:40 Observing helium light 7:23 Starlight model experiment 9:38 Observing sun light 10:23 Conclusion #Science #STEM #astronomy