Fellow broadcasters have been sharing their tributes to Sir Patrick Moore on Twitter:
Very sad news about Sir Patrick. Helped inspire my love of astronomy. I will miss him!
A man I've admired from childhood. Sir Patrick Moore has died - great character .... Finally he's going up amongst the Heavens. #RIP
RIP Patrick Moore - you taught me to look up x
More top news
A British national is believed to have died in Greece after apparently being attacked by a pack of stray dogs.
Becoming clearer and cooler across western areas.
Jeremy Corbyn avoided a potential clash over Brexit at Labour's annual conference after delegates agreed not to push the issue to a vote.