Simple Online Photographic Dictionary

a visual dictionary that can be used as a children's picture dictionary,
an English language learning tool or a cross-cultural reference.
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Mars


Mars is a small rocky planet with ice caps on its poles. It has many volcanoes and is occasionally covered by dust storms. Mars is the fourth planet from the sun.

Mars is 227,936,640km from the Sun.
Its radius is 3,397km.

Image sourced from NASA/JPL-Caltech