diff --git a/public/.DS_Store b/public/.DS_Store
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diff --git a/public/models/LV_01_OpaqueStatic_1.fbx b/public/models/LV_01_OpaqueStatic_1.fbx
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diff --git a/public/models/LV_01_OpaqueStatic_1.glb b/public/models/LV_01_OpaqueStatic_1.glb
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diff --git a/public/models/MI_Star.glb b/public/models/MI_Star.glb
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diff --git a/public/models/M_BlackHole_OpaqueStatic.glb b/public/models/M_BlackHole_OpaqueStatic.glb
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diff --git a/public/models/M_Star.glb b/public/models/M_Star.glb
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diff --git a/public/models/galaxy.glb b/public/models/galaxy.glb
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diff --git a/public/models/space.glb b/public/models/space.glb
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diff --git a/public/models/sun.glb b/public/models/sun.glb
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diff --git a/public/models/sun.zip b/public/models/sun.zip
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diff --git a/readme.md b/readme.md
index 4703f1a..f52a320 100644
--- a/readme.md
+++ b/readme.md
@@ -10,3 +10,12 @@
 - [100-stars](https://stars.chromeexperiments.com/)
 - [nasa/solar-system](https://eyes.nasa.gov/apps/solar-system/)
 - [nasa/3d-resources](https://github.com/nasa/NASA-3D-Resources)
+- [galaxy.tsx](https://gist.github.com/artokun/fb7f0c68a01ba5d9813abb3ccce254c4)
+
+## branch
+
+```sh
+$ git checkout react
+$ npm i
+$ npm run start
+```