National Geographic : 2000 Jan
1898 H. G. Wells publishes The War of the Worlds, in which Martians attack Earth. Many believe the red planet has intelligent life. Ohli-ide . 1877 Italian astronomer Giovanni Schiaparelli thinks he sees a network of straight lines on Mars, which he calls canali,or channels. 1939 NATIONAL GEOGRAPHIC says Mars may have vegetation, but it is "extremely doubtful that there are any 'Martians' in existence." 1947 Howdy Doody joins other early TV broadcasts as Earth's first easily detectable signals into space. 1950 Enrico Fermiasks his scientific colleagues: Ifthere are so many advanced civilizations out there, where is everybody? The implication of the Fermi paradox: We are alone. 1996 ALH84001 creates a stir when NASA scientists say the meteorite contains evidence of ancient Martian microbes. Other scientists poke holes in the argument. ', U9 1993 The X-Files stokes fantasies of alien visitors and government cover-ups. 1998 The Mars Global Surveyor reveals the face to be no more than a rocky mesa. True believers remain undeterred. 1999 Liquid water is found inside a 4.5-billion year-old meteorite, giving us our first look at extraterres trial H20. FOLLOWINGTHEARROWSFROMTOPLEFT:ERICHLESSING.ARTRESOURCE.NY;CORBISBETTMANN;MARYEVANSPICTURELIBRARY;MARYEVANSPICTURELIBRARY;LOWELLOBSERVATORY; ARTBYCHARLESBITTINGER;NBC;HULTONGETTY.LIAISON;© 195120THCENTURYFOX,MPTV;NASA;NEILA. ARMSTRONG,NASA;NASA;DATAFROMNORTHAMERICANASTROPHYSICALOBSERVATORY; ) 1982BRUCEMcBROOM,UNIVERSAL,MPTV;® 1995MICHAELLEVINE,FOXTV,MPTV;NASA;MSSS/NASA;ROBERTBODNAR,VIRGINIAPOLYTECHNICINSTITUTEAND STATEUNIVERSITY 1907 Percival Lowell photographs Mars to bolster his theory that it is home to intelligent creatures who built water canals.