Solar System Astronomy
Latest Contributing Articles
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Earthshine is One of the Moon's Greatest Shows
Each month just after new moon, a slim crescent moon is visible early in the evening not long after sunset just above the horizon. Photographers love it! You will too.
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The Book of the Moon by Rick Stroud
Dubbed "a visually striking cornucopia of everything worth knowing about our closest neighbor in space," this book is a celebration of our relationship with the Moon.
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The Once and Future Moon by Paul D. Spudis
Respected space scientist and lunar expert Paul S. Spudis provides a detailed and authoritative account of the moon's history, geology and structure.
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Fun Facts About Saturn's Moons
The planet Saturn, surrounded by its famous rings, is also surrounded by some of the most unique moons in the Solar System.
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Water on the Moon, the Precious Secret Revealed
The Moon and Earth joined an exclusive club in being the only two heavenly bodies upon which man has walked. In October, they increased their bond with a new discovery.
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Water Found On The Moon, NASA Reports
Water, one of the hallmarks of Earth and a necessity for life, has been discovered on Earth's Moon. Lunar water may facilitate future moon exploration.
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All About Mars
Mars remains a great subject of study among many astronomers. It is one of the only planets in the Solar System humans can hope to visit anytime in the near future.
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Interesting Facts About the Planet Mercury
Basic facts and new discoveries about the solar system's smallest planet.
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Galileo,Venus and the Sun-Centered Theory
Based on his observations using a telescope, Galileo Galilei (1564-1642) concluded that Venus orbited the sun, not the earth.
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Mars Hoax Strikes again
A close encounter with Mars is supposed to happen in late August, or at least that's the gist of a phony yarn that makes its appearance every year.
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The Outer Solar System
On the outer part of the Solar System lie some big and fabulous worlds. These are very different from the interior planets where the rocky Earth resides.
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The Inner Solar System
The solar system is a place full of marvelous worlds. A good look at the four planets closest to the sun can reveal plenty of interesting facts about each.
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Saturn's Salt-Water Moon
As scientists examine more of the solar system they are finding water where none was thought to exist before.
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Water on Mars Found by the Phoenix Mars Lander
NASA's Phoenix Mars Lander discovered water on Mars in 2008, a fact many scientists had predicted, but had no real proof of until the Lander confirmed the finding.
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Slight Chance of Planetary Collision
Astronomers have calculated that there is a small chance that two neighbouring planets might bump into Earth, but not for a billion years.
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Want to Gain Weight – Easy! Go to Saturn
NASA has recently released some amazing photographs of Saturn, the sixth planet from the Sun. Read the latest Saturn-related facts here.
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Why the Sky on Mars Is Pink
The Martian sky is a pinkish yellowish color completely different from Earth's blue sky because of airborne iron oxide dust grains.
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The Harsh Surface Environment of Venus
Owing to a runaway greenhouse effect and extreme global warming, the environmental conditions on the planet Venus are among the harshest in the solar system.
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Asteroid 2009 DD45 Passes Close to Earth
Near-Earth Objects are chunks of space rock that hurtle around our corner of the Universe. One of them, called 99942 Apophis, is being watched carefully by astronomers.
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Geology of the Moon's Surface Features
What geologic and tectonic features are found on the lunar surface and what are the processes that shaped the surface of the Moon?
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What Are Dwarf Planets?
Nowadays, celestial discoveries often result in changing not only scientific data but even vocabulary which denotes astronomical objects.
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Solar Eclipse & Fear, Superstition, Violence
In spite of the Internet, satellite TV, world-wide education and advances in science, millions of people globally still fear the natural phenomenon of a solar eclipse.
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Best Place to View the August 2008 Solar Eclipse
The Danes of Greenland, the Arctic's Nenet Indians, the Russians, the Mongols and Chinese may all claim the title: the best place to view the August 1st solar eclipse.
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Comet Enke – A Threat To Earth?
Is Comet Enke and the Taurid Meteor Shower that caused the Tunguska Event in 1908 on an inevitable second collision course with Earth?
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Planetary Ring Systems
Saturn has a well known easily observed spectacular ring system. The other Jovian planets, Uranus, Jupiter, and Neptune, also have ring systems.
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