One point that came up was that the universe was not expanding at the same rate in all directions, which was not expected.
There was also a good discussion about what might loosely be termed 'colonialism in space'. It is the case that only rich countries can afford the telescopes that are now studying the universe, so they tend to only look at the areas of sky above those countries, and assume that what they are seeing is universally true. However, there are lots of other directions to look in, and things might be different there.
They also talked about the sorts of things that telescopes couldn't detect, and someone in the audience shouted out "Phlogiston!"
"But that's combustible, so we'd detect it," was the immediate answer.
They also talked about the Hubble Constant, which is used to measure the speed at which objects are moving away from the Earth by looking at the red shift. However, the value of the Hubble Constant can change, so the panel said that it was more of a Hubble Tension, trying to make different measurements agree - and this could be the start of a change of understanding of the physics involved.
I thought it unlikely in the extreme that I'd be able to get into the next panel I'd planned to go to - Artemis: Apollo's Big Sister, so I went off to the Point to have a proper look at the Art Show instead. (This is where my plans collided with reality and the result was a totally different day!). I'd hoped to be able to buy a Jim Fitzpatrick print, as he was signing that afternoon, but I didn't see any at the print shop area of the Art Show. It was wonderful to see the pictures he did bring along to exhibit up close, some of which were also in this year's Con Book. There was a lot of good work there, by featured artists Afua Richardson and Sana Takeda (who is the artist for the Monstress graphic novels). Maeve Clancy had done a whole comic strip about Syrian refugees trying to find safety, which was very powerful. I think my favourite work of the whole show, though, was the Lady Astronaut panel, done like a medieval manuscript in English and Hebrew, with part of the Jewish Sanctification of the Moon prayer. It was stunningly beautiful, and the minimum bid for the auction was E1,000.
On my way out of the Art Show, I met some people from Blackpool, where I spent all my childhood holidays. I was dressed as the Jedi Librarian for the day, and the tall young man dressed as the Flash was really pleased to see someone else in costume so he didn't feel so self-conscious.
Off to one side a filk session was going on, by Kerri-Ellen Kelly - one song she performed was Carmina Burana in Latin and Klingon!
The absolute high point of my Con came a bit later in the dealers' room. USS Cuchulain are an Irish Star Trek group, and they have built the central part of the bridge of the original Starship Enterprise - and they were letting anyone who wanted to either sit in the Captain's Chair or at the Helm. They even had jackets in various sizes in the Starfleet colours for people who wanted to be in uniform.
So I now have several photos (slightly blurry) where I'm sitting in the Captain's Chair of the Enterprise, dressed as a Jedi Librarian! It was so cool!
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