‘Alien megastructure’ star found

Strange pulsing stars just keep getting more mysterious. Astronomers have found less than a handful. And each one behaves differently. Is it just some freaky orbital mechanics tossing about comets and dust? Or is it a sign of enormous solar panels powering an immensely advanced civilisation?

via Technology | news.com.au — Australia’s #1 news site http://bit.ly/2ZaEV96