<Tr> <Th> Armstrong limit </Th> <Td> 6.25 kilopascals (0.906 psi) </Td> </Tr> <Tr> <Th> Mount Everest summit </Th> <Td> 33.7 kilopascals (4.89 psi) </Td> </Tr> <Tr> <Th> Earth sea level </Th> <Td> 101.3 kilopascals (14.69 psi) </Td> </Tr> <P> Mars's atmosphere is composed of the following layers: </P>

The atmosphere of mars is composed of mostly carbon dioxide along with some nitrogen