Expert Comment
Dr Minjae Kim on the Summer solstice
"The Summer solstice marks the start of the summer season and the longest day of the year in terms of daylight hours in the Northern Hemisphere."
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.