Can we actually say anything about the far future?
- Anders Sandberg
If we can’t predict when it will rain next month, forecasting billions of years hence might seem impossible.
However, not everything is as chaotic as the weather: even predictions very far ahead are sometimes possible, especially in astrophysics and cosmology.
We can be confident that there will be a total solar eclipse in the UK on 23 September 2090 because the…