The week of September 12-18 takes us from Lunar Day 18 to Day 23. This week we will highlight the lunar sea called Mare Nectaris, viewable late Tuesday night. Mare Nectaris: [SE/L13; L=36°E] The Nectaris basin was excavated 3.9 billion
Mare Nectaris: Lunar Sea and Multi-Ring Basin on the Moon
![Mare Nectaris: Lunar Sea and Multi-Ring Basin on the Moon Mare Nectaris: Lunar Sea and Multi-Ring Basin on the Moon](http://andrewplanck.com/wp-content/uploads/2022/09/Mare-Nectaris-is-a-classic-example-of-a-multi-ring-basin-on-the-moon.jpg)