We discussed on August 18 the spans of time when all five naked-eye planets are visible, or at least above the horizon.
It’s taken me all the time since then to master this topic, since it’s not simple. Continue reading “All Five again”
Guy Ottewell's website and weblog
We discussed on August 18 the spans of time when all five naked-eye planets are visible, or at least above the horizon.
It’s taken me all the time since then to master this topic, since it’s not simple. Continue reading “All Five again”