15-million-year-old crater on Earth reveals clues about Mars' watery past

[Admin]

Meteorite samples from an ancient impact site in Germany may offer new clues about the history of oceans and life on Mars.

15-million-year-old crater on Earth reveals clues about Mars' watery past : Read more

 

[rod]

Meteorite samples from an ancient impact site in Germany may offer new clues about the history of oceans and life on Mars.

15-million-year-old crater on Earth reveals clues about Mars' watery past : Read more

The atmosphere of Mars, 4 billion years ago must fend off the Faint Young Sun too, i.e. Mars much colder than the present.

 

[John Andrew Karr]

Mars likely had viable cores to generate a magnetosphere and hold onto an atmosphere. Heat, water, maybe some form of air included.