Expert Comment
Professor Danny Steeghs on June's planetary alignment
"Viewers could set themselves a challenge to try and see as many of them as they can, but this will need a clear, uninterrupted view of the East. Mobile apps provide great guides on where and when to look in the sky."
Assistant Professor Ravindra Desai comments on possible return of Northern Lights to UK
"In a couple of weeks there is an elevated chance of further major geomagnetic storms and aurora over the UK."
Professor Don Pollacco on the Eta Aquarid meteor shower
"The Eta Aquarid meteor shower, so called because the radiant is in the constellation of Aquarius, occurs when the Earth crosses through the orbit of a comet called Halley."
Prof Don Pollacco on major meteor shower peaking this weekend
Professor Pollacco discusses the Lyrid meteor which peaks 22nd April. This is the oldest recorded meteor shower and one of the major ones visible each year.
Astronomy researcher Faith Hawthorn on tonight's possible Northern Lights
"The Sun has a cycle of how active it is, and it usually reaches a peak of activity and Solar weather every 11 years. We're reaching that peak at the moment, so we can expect to see aurorae more often and in more areas."