The week of October 9-15 takes us from Day 25 to Day 1. This week we will highlight a series of rilles called Rimae Sirsalis, located in the SW quadrant of the Field Map and viewable on Tuesday morning before
Rimae Sirsalis – Series of Rilles on the Moon
![Rimae Sirsalis – Series of Rilles on the Moon Rimae Sirsalis – Series of Rilles on the Moon](http://andrewplanck.com/wp-content/uploads/2023/10/Rimae-Sirsalis-on-the-moon.png)