The Moon will reach its first-quarter position, where it looks like a D, on May 23 Continue reading “We were there”
Tag: orbits
Elusive elongation
Mercury will on July 22 achieve Continue reading “Elusive elongation”
Kepler’s Equation
What is it? That was the last question in my Continue reading “Kepler’s Equation”
Quadrantids and Edot revisited
This is another confession. Continue reading “Quadrantids and Edot revisited”