Brightness variations of sun-like stars: The mystery deepens

'Astronomers are left in the dark, and for once, we do not enjoy it,' says Christine Nicholls from Mount Stromlo Observatory, Australia, lead author of a paper reporting the study. 'We have obtained the most comprehensive set of observations to date for this class of Sun-like stars, and they clearly show that all the possible explanations for their unusual behaviour just fail.'...

Read the whole article on

More from