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Henry Throop Science Outreach

Henry Throop has made hundreds of presentations on planetary science to people around the world.
Henry Throop shows students how to make a comet out of dry ice, ammonia, and dust – the same ingredients used in space – with students at Madikweng Secondary School in rural Limpopo, South Africa.  
Credit: Ephraim Manamela
Henry Throop shows students how to use a telescope to observe sunspots during the day, at Dendron Secondary school in rural Limpopo, South Africa. 
Credit: Dendron Secondary
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