Browse Space by solar system
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As we view the motion of the planets, they normally move from east to west. Yet, once in awhile they will seem to change direction and move backwards.This latter is what is referred to as Retrograde Motion of the planets.
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The minor planets become a topic of heated discussion after the decision of the IAU to strip Pluto of its status as a planet and to consider it as a minor planet in 2006. Read on to find out more about these minor elements of our solar system.
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The IAU is the International Astronomical Union, a dynamic, engaged international organization made up of professional astronomers. This organization is a leading scientific body that encourages the study of astronomy worldwide.
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News of the next planet alignment seems to occur every few years. Each event comes with a slew of apocalyptic warnings from doomsayers, selling the pseudo-science of planetary alignments. Before the supposed 2012 planetary alignment, learn the truth behind this occurrence.
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The Mars Science Laboratory Rover, known as Curiosity, is NASA's next major mission to the Martian surface. Scheduled for a two-year exploration to begin in 2012, Curiosity seeks to find evidence of past or present life. The mission is the next step following Spirit and Opportunity.
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Looking for information on the inner planets of our solar system? Which planets and what is their order from the Sun? Read on to find out about Mercury, Venus, Earth and Mars.
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What are the outer planets? What are they made of? The inner planets are of a rocky nature, while the outer planets are giant balls of gas, with rings and large moon systems. Take a tour of the outer planets: Jupiter, Saturn, Uranus, Neptune and...
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Learn amazing facts about Saturn, the second-largest planet in the solar system. See incredible images of this beautiful planet and its rings.
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Jupiter is the mightiest planet in the solar system. Learn what makes this giant planet so amazing and see astonishing images showing its size and power.
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The Ariane series of vehicles has become one of the world’s most prominent series of space launch vehicles, with a reputation for excellent customer service and relative affordability. Arianespace, the French company that developed the vehicles, has had many successes. Read more below
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