Periodic comet 46P Wirtanen is rapidly rising into our midnight skies, and rising toward naked-eye visibility.
Tag: astronomy
A horseshoe of Earths
Venus is at its brightest in the morning sky. It’s been appearing in Continue reading “A horseshoe of Earths”
Past Earths revisited, and the software that finds them
Here is the sky this Wednesday evening –
Continue reading “Past Earths revisited, and the software that finds them”
The Leonids may or may not Roar
The Leonid shower is notorious – outrageous – flamboyant – incomparable – erratic – bipolar.
Venus hovers near Spica
Watch out for a new product, to be called the “Zodiacal Wavy Chart.” This is a snippet of it:
Venus passages compared
The brightest planet will on October 26 rush between us and the Sun.
I’m early in getting this to you, because Continue reading “Venus passages compared”
The speed of sound and the speed of day
Earth is a spinning ball, we are insects Continue reading “The speed of sound and the speed of day”
Kepler’s Equation
What is it? That was the last question in my Continue reading “Kepler’s Equation”
Moon Ahead!
We’re looking ahead in more than one sense: the Moon will be at its Last Quarter Continue reading “Moon Ahead!”
Re-equinox
The September equinox got postponed. Continue reading “Re-equinox”