Unlike Earth, the gases in Venus’ atmosphere aren’t uniformly mixed
MESSENGER data surprisingly show different nitrogen concentrations at different altitudes
![Venus](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2020/04/042020_mt_venus_feat.jpg?fit=1028%2C579&ssl=1)
For decades, scientists assumed that the gases in Venus’ atmosphere are uniformly mixed below an altitude of about 100 kilometers. A new study undermines that assumption.
JPL-Caltech/NASA