Here is a comparison of the atmospheric composition of Earth, Venus and Mars.

Designed as a backup craft for Mars exploration, Mariner 5 was refurbished for a flyby mission to Venus in 1967. This site provides basic information about the spacecraft and its mission.

An image of "Mars, Venus, and Eros", created by Marcantonio Raimondi in 1508 (Engraving, 286 x 207 mm).

An image of "Mars, Venus, and Cupid", created by Lucas Van Leyden in 1530 (Engraving, 187 x 243 mm).

An image of "Mars, Venus and Cupid", created by Joachim Von Sandrart, c. 1630 (Oil on canvas, 112 x 80 cm).

This web page contains information about the Mariner space probes. It gives detailed pictures of the probes.

This site is from Hubblesite which is provided by the National Aeronautics and Space Administration. "What's the weather for Mars and Venus? The Hubble telescope has given astronomers a peak." Site provides images, video as well as...

A slideshow and a short multiple-choice quiz on the four inner planets of our solar system, which include Mercury, Venus, Mars, and Earth.

A listing of clickable images of objects in the Solar System from the Hubble telescope that includes the following: Venus, Mars, Jupiter, Jupiter's satellites, Saturn, Saturn's rings and satellites, Uranus, Uranus' rings and satellites,...

An image of "Venus, Mars and Cupid", created by Guercino in 1633 (Oil on canvas).

An image of "Mars and Venus", created by Jacopo De Barbari from 1509-16 (Engraving, 290 x 180 mm).

This complete resource will help students to improve their understand of space exploration. Includes images of the universe, galaxies, stars and planets.

An image of "Venus, Mars, and Cupid", created by Piero Di Cosimo in 1490 (Poplar panel, 72 x 182 cm).

An image of "Mars and Venus", created by Rosso Fiorentino in 1530 (Pen and black ink, white wash).

An image of "Venus between Mars and Neptune", created by Gian Battista Zelotti in 1555 (Oil on canvas).

An image of "Venus Showing Mars her Doves Making a Nest in his Helmet", created by Joseph-Marie Vien in 1768 (Oil on canvas).

An image of "Mars and Venus", created by Johan Tobias Sergel in 1770 (Marble).

An image of "Mars Disarmed by Venus and the Three Graces", created by Jacques-Louis David in 1824 (Oil on canvas, 308 x 262 cm).

An image of "Mars and Venus", created by Conrad Meit from 1515-20 (Bronze, heeight 34 cm).

An image of "Allegory (Venus, Flora, Mars and Cupid)", created by Paris Bordone from 1558-60 (Oil on canvas, 110 x 131 cm).

An image of "Venus and Mars with Cupid", created by Paris Bordone from 1559-60 (Oil on canvas, 118 x 130,5 cm).

An image of "Venus and Mars with Cupid", created by Hubert Gerhard from 1584-94 (Bronze, height 210 cm).

An image of "Mars and Venus Discovered by the Gods", created by Joachim Wtewael from 1603-04 (Oil on copper, 20,2 x 15,5 cm).

An image of "Venus and Mars", created by Antonio Canova from 1816-22 (Marble, height 210 cm).