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 - 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 - 433 Eros: Encyclopedia - 433 Eros
The asteroid 433 Eros (eer'-os) was named after the Greek god of love Eros. It is an S-type asteroid approximately 13 × 13 × 33 km in s...   » Read the article

Encyclopedia - Phobos Moon: Encyclopedia Ii - Phobos Moon - Phobos In Fiction
The first episode of the computer and video game Doom takes place in a UAC base on Phobos. Phobos also featured in Kim Stanley Robinson's...   » Read the article

Encyclopedia - Phobos Moon: Encyclopedia Ii - Phobos Moon - Orbital Characteristics
Phobos orbits Mars below the synchronous orbit radius, meaning that it moves around Mars faster than Mars itself rotates. Therefore it ri...   » Read the article

Encyclopedia - Phobos Moon: Encyclopedia Ii - Phobos Moon - Discovery
Phobos was discovered by American astronomer Asaph Hall on August 18, 1877 at the US Naval Observatory in Washington, D.C at about 09:14 ...   » Read the article

Encyclopedia - Phobos Moon: Encyclopedia Ii - Phobos Moon - Physical Characteristics
Phobos is a dark body that appears to be composed of C-type surface materials. It is similar to the C-type (blackish carbonaceous chondri...   » Read the article

Encyclopedia - Phobos Moon: Encyclopedia Ii - Phobos Moon - Hollow Phobos Claims
Around 1958, the distinguished Russian astrophysicist Iosif Samuilovich Shklovsky, studying the secular acceleration of Phobos' orbital m...   » Read the article

Encyclopedia - 4 Vesta: Encyclopedia Ii - 4 Vesta - Further Details
The V-type asteroid 1929 Kollaa was determined to have a composition akin to cumulate eucrite meteorites, indicating its origin deep with...   » Read the article

Encyclopedia - 1 Ceres: Encyclopedia Ii - 1 Ceres - Physical Characteristics
Ceres is the largest known asteroid in the asteroid belt, which mostly lies between Mars and Jupiter. However the Kuiper belt is known to...   » Read the article

Encyclopedia - Amalthea Moon: Encyclopedia Ii - Amalthea Moon - Physical Characteristics
Amalthea is the reddest object in the solar system, even redder than the planet Mars. The reddish color is apparently due to sulfur origi...   » Read the article

Dictionary - Planet: Spiritual - Theosophy Dictionary On Planet
Planet Usually refers to the visible satellites of our sun, though in its general sense including the planets belonging to other solar...   » 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 - 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 - 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

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 - 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 - 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 - 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