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ian_d's Blog

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Cotswold AS meeting last night


ian_d

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Good meeting of the Cotswold Astronomical Society last night, with a very interesting talk about the solar system beyond Neptune. The current theories around how the solar system formed are fascinating. It's thought that Jupiter and Saturn, through their orbital resonance, catapulted Neptune out beyond Uranus and into the Kuiper Belt - causing several million years of chaos as comets and asteroids got deflected all over the place smashing into everything (known as the Late Heavy Bombardment - great name!) It's also interesting to see how many trans-Neptunian objects (TNOs) we know of now; and in particular, how Pluto is just one example of these things (and not even the largest).

After the talk, a couple of us spent some time helping some folks to make sense of their telescope - which I think was the Skywatcher Skyhawk 1145P SynScan AZ GOTO (114mm f/5). A good beginner's setup, but as with all these things, if you're completely new to astronomy then still a bit baffling to get started with. Hopefully we got them a bit further along in understanding how to align it and use the handset - and got the finder scope a bit closer to where it needed to be :-)

We've got a whole load of Stargazing Live events to run next weekend - three nights in a row at various locations around Gloucestershire. Fingers crossed for decent weather, as always. Should be good fun!

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