Ice at the moon’s poles might have come from ancient volcanoes
The eruptions may have produced several transient atmospheres
![Schrödinger crater on the moon](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/05/052022_ag_lunar-ice_feat.jpg?fit=1030%2C580&ssl=1)
Schrödinger crater (shown) lies near the moon’s south pole. Ice might have arrived at both lunar poles as water vapor released by ancient volcanic eruptions.
NASA GSFC Scientific Visualization Studio