Jonathan responds to your texts and tweets, is joined in studio for all the latest science stories for Newsround and speaks to one of our two guests featured on the show. Listen and subscribe to Futureproof with Johnathan McCrea on Apple Podcasts and Spotify. Download, listen and subscribe on the Newstalk App. You can also listen to Newstalk live on newstalk.com or on Alexa, by and asking: 'Alexa, play Newstalk'
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In recent years the numbers of Exoplanets being discovered has skyrocketed. We have a number of methods to detect these new worlds but for the most part they involve observation of the accompanying star in the system. But what if there is no Star? Just how many planets are out there going it alone and how do we go about finding them? Ethan Siegel is an astrophysicist and science writer and he joins me now... First Aired: 31/03/2018