To produce these images, multiple types of observations are acquired, stacked into layers, and assembled like a data sandwich.

Early observers of Mars also prioritized different types of observations of the planet than we do today.

The data consist of averages from the past three decades of different types of observations. This includes both the monthly and daily normals of precipitation, temperature, snowfall, heating and ...

Corrine N. Knapp ¹, F. Stuart Chapin III ², Gary P. Kofinas ², Nancy Fresco ³, Courtney Carothers ⁴, Amy Craver ⁵, Parks, people, and change, Ecology and ...