Two of the comets that return to us this year come to their Continue reading “Comets, and beams to them”
Here again is the sky chart
The red curve is the shortest route between them.
This is another confession. Continue reading “Quadrantids and Edot revisited”
If you could have looked down through my ceiling during the evenings – not just the evenings – of Continue reading “A confession about the Final Astronomical Calendar”
These curious tunnels –
The dawn scene on the other side of the Sun will be rising into your weary view:
In case you’ve forgotten what those beasts are, here are the five regular polyhedrons Continue reading “Polyhedrons II”