Get ready for The Sky at Night's annual Question Time Special, where viewers get the opportunity to ask the questions they have always wanted answered about our universe.  Join host Dallas Campbell as he leads a panel of experts through a range of fascinating topics.Regular presenters Maggie Aderin-Pocock, Chris Lintott and George Dransfield are joined by Prof Raman Prinja from University College London and Dr Heloise Stevance from Oxford University. Resident astronomer Pete Lawrence also makes an appearance, sharing a guide to the stars for the coming months and posing an intriguing question of his own.This year's discussion covers subjects such as the nature of the oldest galaxies – what we're seeing and how we know they're so ancient. We delve into the search for habitable Earth-like planets and the effects of the stars they orbit. And we explore what might happen to Earth and our planetary neighbours when our sun begins the end of its life in billions of years' time.