The story begins in an observatory, where an astronomer notices that Mars, older than Earth, has experienced a sudden drop off in sea levels and temperature. It

The story begins in an observatory, where an astronomer notices that Mars, older than Earth, has experienced a sudden drop off in sea levels and temperature. It

The story begins in an observatory, where an astronomer notices that Mars, older than Earth, has experienced a sudden drop off in sea levels and temperature. It

The story begins in an observatory, where an astronomer notices that Mars, older than Earth, has experienced a sudden drop off in sea levels and temperature. It

The story begins in an observatory, where an astronomer notices that Mars, older than Earth, has experienced a sudden drop off in sea levels and temperature. It