The red curve is the shortest route between them.

Guy Ottewell's website and weblog
The red curve is the shortest route between them.

Leap day coming on Monday. Here are a “common” year and a leap year side by side. Continue reading “Leap babies”
Names such as “Sirius” and “Rigel” are traditional, Continue reading “On the tip of your tongue?”
We learned from a recent newspaper item that there is a list of Britain’s “Top Ten Beaches,” calculated Continue reading “The most beautiful place in the world”
It occurred to me to plot the EDOT in both ways and see how much they differ.

The EDOT is Continue reading “Mars dead ahead”
A story. You could consider it to be about an alternative planet.
Valentine’s morning (tomorrow) will be toward the last for seeing the two inner planets together as they stoop toward the Sun.

White spirals: that was the cover-painting theme for my Astronomical Calendar one year (1994). On the front was a hurricane called Hyacinth, its violent spiral spanning several hundred miles; inside was the Whirlpool Galaxy, otherwise known as Messier 51, forty thousand light-years wide; and on the back was the plant called Queen Anne’s Lace, painted at true scale, I think, its flowering head six inches wide.
I remembered about this because I’ve found five other drawings I must have made of that plant in South Carolina.
Peering to the right of the Sun – that is, being out on the morning side of our spinning planet – is still the way to see planetary activity.

There will have to be a new printing before long of Albedo to Zodiac, my astronomical glossary, so Continue reading “The stories told by satellites’ names”