Mars - Geology - Article Index

Encyclopedia - Mars: Encyclopedia - Mars
Mars is the fourth planet from the Sun in our solar system. It is named after Mars, the Roman god of war (Ares in Greek mythology). Its n...   » Read the article

Encyclopedia - Mars: Encyclopedia Ii - Mars - Physical Characteristics
The red, fiery appearance of Mars is caused by iron oxide (rust) on its surface. Mars has only a quarter the surface area of the Earth an...   » Read the article

Encyclopedia - Mars: Encyclopedia Ii - Mars - Physical Characteristics
The red, fiery appearance of Mars is caused by iron oxide (rust) on its surface. Mars has only a quarter the surface area of the Earth an...   » Read the article

Encyclopedia - Mars: Encyclopedia Ii - Mars - Nomenclature
Mars - Early nomenclature. The name Mars comes from the Roman god of war because the planet is a blood-red color, and so it looks like ...   » Read the article

Encyclopedia - Mars: Encyclopedia Ii - Mars - Martian Meteorites
A handful of objects are known that are surely meteorites and may be of Martian origin. Two of them may show signs of ancient bacterial a...   » Read the article

Encyclopedia - Mars: Encyclopedia Ii - Mars - Mars In Fiction
The depiction of Mars in fiction has been stimulated its dramatic red color and by early scientific speculations that its surface conditi...   » Read the article

Encyclopedia - Mars: Encyclopedia Ii - Mars - Life On Mars
Some evidence suggests that the planet once was significantly more habitable than today, but the question on whether living organisms eve...   » Read the article

Encyclopedia - Mars: Encyclopedia Ii - Mars - The Exploration Of Mars
Dozens of spacecraft, including orbiters, landers, and rovers, have been sent to Mars by the Soviet Union (Russia), the United States, Eu...   » Read the article

Encyclopedia - Mars: Encyclopedia Ii - Mars - Observation Of Mars
Earth passes Mars every 780 days (or two years plus seven weeks and one day) at a distance of about 80,000,000 km. However, this varies b...   » Read the article

Encyclopedia - Mars: Encyclopedia Ii - Mars - Mars In Fiction
The depiction of Mars in fiction has been stimulated its dramatic red color and by early scientific speculations that its surface conditi...   » Read the article

Encyclopedia - Mars: Encyclopedia Ii - Mars - The Exploration Of Mars
Dozens of spacecraft, including orbiters, landers, and rovers, have been sent to Mars by the Soviet Union, the United States, Europe, and...   » Read the article

Encyclopedia - Mars: Encyclopedia Ii - Mars - Nomenclature
Mars - Early nomenclature. Although better remembered for mapping the Moon starting in 1830, Johann Heinrich Mädler and Wilhelm Beer w...   » Read the article

Encyclopedia - Mars: Encyclopedia Ii - Mars - Observation Of Mars
Earth passes Mars every 780 days (or two years plus seven weeks and one day) at a distance of about 80,000,000 km. However, this varies b...   » Read the article

Encyclopedia - Mars: Encyclopedia Ii - Mars - Martian Meteorites
A handful of objects are known that are surely meteorites and may be of Martian origin. Two of them may show signs of ancient bacterial a...   » Read the article

Encyclopedia - Mars: Encyclopedia Ii - Mars - Life On Mars
Some evidence suggests that the planet once was significantly more habitable than today, but the question on whether living organisms eve...   » Read the article