£2.6 billion sounds like a bargain actually, when you compare it to the £15 billion cost of Crossrail (a project that was first proposed in 1974 and w...

There is plenty of evidence to demonstrate that wars have a tendency to accelerate technological development... not just providing new and more horrif...

there’s a short (half-page) article about Barnard in the August Astronomy Now, talking about his obervation of a star not seen before – or since! Yes...

Perhaps the answer to my question is that the image of the sun we see is only from the point the photon leaves the sun’s surface? Yes, that's correct...

By the way who is that handsome man with long hair in the background? Do you want this as your new profile pic? ;)

Great report, Andy. So sorry that I couldn't be there. Only another week to wait for the next "members only" event... let's hope the weather is kinder...

anyone else know if the guy in the Regents Park clip dressed in red is Mike Davies, the famous airport architect? Yes, Andy, I believe that it is. Yo...

A couple more NLC shots from my brother at 37,000 feet. Note Venus! Superb images. Lots of Noctilucent Cloud about last night apparently, but I did...

OK, well I've now managed to activate the new "rich text" editor for topics and replies. Hopefully users will find this more intuitive to use than the...

In my defence, Tej, I had to wander around looking at the clouds, as you were all doing such a great job that there was little for me to do! Anyway, ...

Most unexpected, but we managed to run nearly a full day session at the ROG today... finally packing up just after 3pm. We estimate that around 450 p...

Hi Andy, I can't work out how to embed your Twitter photo into the forum, but I'll investigate later today. A link to the tweet is here: I did attem...

We will go ahead with the public solar viewing session today at the ROG, though it is likely that the skies will cloud over in the early afternoon. S...