I may have to take a leave of absence from blogging over the next few days, during which Continue reading “Et tu, Valentine!”
Guy’s Blog
The Inner Mongolia of the planets
In February the planets are all over on the sunward side of Earth.
One confused groundhog
Venus, brighter than any star, can cast a reflection on water, and even a shadow. Continue reading “One confused groundhog”
World’s oldest and newest star maps
This is, or may well be, the oldest: Continue reading “World’s oldest and newest star maps”
Burns bright
In the morning sky, Continue reading “Burns bright”
Discobolus
We sometimes get breakfast at Continue reading “Discobolus”
Adjustments for precession and parenthood
Tomorrow, January 19, the Sun will enter constellation Capricornus.
Continue reading “Adjustments for precession and parenthood”
The other royal observatory
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From our window in Isleworth, we see across a forested island in the Thames to another line of trees, beyond which Continue reading “The other royal observatory”
A quasi-conjunction
Mercury comes to a conjunction with Saturn – no, not quite. Continue reading “A quasi-conjunction”
Homage to Archimedes
The Antikythera device: you’ve probably heard of this marvel. Continue reading “Homage to Archimedes”