Meaning of snow line | Babel Free

Definitions

1. The altitude, in a mountainous region, above which the ground is covered with snow, at any particular time.
2. The inner limit where volatile molecules can remain frozen in the zone around a star.
3. The limit for water remaining solid instead of evaporating away under solar radiation.
   specifically

Examples

“Chris Ormel, an astronomer at the University of Amsterdam, and his colleagues recently calculated that protoplanets began to form at the snow line around the star, then grew quickly by accreting pebbles.”

CEFR level