Alva Review-Courier -

By Supriya Chakrabarti
University of Massachusetts Lowell 

A real-life deluminator for spotting exoplanets by reflected starlight


December 12, 2019

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)

(THE CONVERSATION) Perhaps you remember the opening scene of "Harry Potter and the Sorcerer's Stone" that took place on Privet Drive. A bearded man pulled a mysterious device, called a deluminator, from his dark robe and one by one the lights from the street lamps flew into it.

For the last decade or more, Muggles around the world – including me – have been busy designing and perfecting a similar device called a coronagraph. It blocks light from stars so scientists can take...

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