The astrophysicist and former Queen guitarist Brian May has said that Sir Patrick Moore's contribution to astronomy will be there "for all time".
He said that the late astronomer combined enormous generosity with a prodigious understanding of his subject:
More top news
Donald Trump has wasted no time making his mark on international matters as well as domestic. So how will his presidency affect the world?
Another cold, frosty and foggy night for many. Northern and western areas will see thickening cloud, patchy rain and milder temperatures.
Temperatures have already plunged to -12C in some parts of the UK this winter - but Thursday could be the coldest day yet.