In case you’ve forgotten what those beasts are, here are the five regular polyhedrons Continue reading “Polyhedrons II”
Another “trio.” On the evening of March 4, look for Venus, Mars, and Uranus, at their tightest grouping, in the after-sunset western sky. Continue reading “Dim third”
This evening, the Moon will pass just north of the star Aldebaran.
Mercury will tomorrow be farthest out from the Sun Continue reading “Planet ad absurdum”
Time flows, but we keep trying to cut it into pieces, like using a sword to chop a river. Continue reading “Dam Time”
I already glimpsed this scene out of a train window Continue reading “Venus-Mars-Moon Trio”
First day of spring! That is, Continue reading “After the Thunder Sleeps”
Mercury just fails to kiss Venus.
This illustration from the new edition of To Know the Stars (my book for children) shows Sun and Earth, and the distance between them as a folded line. Continue reading “Sun looks down”
Most flights across the Atlantic from Europe to North America Continue reading “Crashing through the night”