While Mars today only has a wispy remnant of an atmosphere, it may once have had one hundreds of times thicker with a pressure three times that on Earth
While Mars today only has a wispy remnant of an atmosphere, it may once have had one hundreds of times thicker with a pressure three times that on Earth While Mars today only has a wispy remnant of an atmosphere, it may once have had one hundreds of times thicker with a pressure three times that on Earth