... The Mars Flag contains many symbolic elements, including symbols of the Sun and Mars, and the orbits of the planets their relative distance from the Sun. ...
... Mars Society, whose purpose is to further the exploration and settlement of the ... At a recent Mars Society Convention I purchased a Mars flag which I first mistook to ...
... My students also enjoy an exercise in which they examine the famous "Face on Mars" [see "The Face on Mars," The Universe in the Classroom, fall 1993]. ...
... In a controversial new theory called "White Mars," which he published in the August 2000 issue of the prestigious planetary science journal Icarus , Hoffman argues that Mars never experienced a warm and wet phase; it has always been a dry, barren planet ...
... occur once every 15 or 17 years, whenever Earth and Mars line up when Mars is near its most sunward point, or perihelion ... in Mars?s orbital eccentricity, will make the coming opposition the most favorable in recorded human history (see "Why Mars ...
... When observing Mars from opposite ends of Earth (one can do this effectively simply by observing Mars at sunrise and sunset), Mars?s position relative to the distant stars appears to shift. ...
... Mars demands our attention during May and June, especially with NASA's Pathfinder spacecraft set to land on Mars in July [see "The Soil of Mars," September/October 1994, p. 10]. ...
... idea of life on Mars, and, in particular, intelligent life on Mars, fed by years of ... Mars' equator is tilted relative to the plane of its orbit around the Sun by almost ...
... Mars nor Earth has a perfectly circular orbit and this year when Mars is closest to ... Mars Opposition, An Introduction Includes free Mars Previewer II software download . ... Mars 2003: The view from Earth Some cool Mars posters you can download . ...