Activities: Universe

Constellations

कठिनाई: ★ ★

Astronomy softwares

कठिनाई: ★ ★

Astropuzzle 

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Birthday stars

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The search for extraterrestrial intelligence

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Invent an alien

कठिनाई: ★

Micro and macrocosmos

कठिनाई: ★

Making a constellation slide

कठिनाई: ★