Neptune's natural satellites -- Neptune has 13 known moons. The largest by far is Triton, discovered by William Lassell just 17 days after the discovery of Neptune itself. It took a hundred years to discover the second, Nereid. ... > full article

Dysnomia (moon of Eris) -- Dysnomia, is a moon of the dwarf planet Eris. The satellite is about 60 times fainter than Eris, and its diameter is estimated to be approximately eight times smaller. Astronomers now know that three ... > full article

Uranus' natural satellites -- Uranus has 27 known moons. The first two moons (Titania and Oberon) were discovered by William Herschel on March 13, 1787. Two more moons (Ariel and Umbriel) were discovered by William Lassell in ... > full article

Asteroid belt -- The asteroid belt is a region of the solar system falling roughly between the planets Mars and Jupiter where the greatest concentration of asteroid orbits can be found. Despite popular imagery, the ... > full article

Deimos (moon) -- Deimos is probably an asteroid that was perturbed by Jupiter into an orbit that allowed it to be captured by Mars, though this hypothesis is still in some dispute. Like most bodies of its size, ... > full article

Gas giant -- A gas giant is a large planet that is not primarily composed of rock or other solid matter. Gas giants may have a rocky or metallic core�in fact, such a core is thought to be required for a gas giant ... > full article

Eclipse -- An eclipse is an astronomical event that occurs when one celestial object moves into the shadow of another. The term is most often used to describe either a solar eclipse, when the Moon's shadow ... > full article

Charon (moon) -- Charon, discovered in 1978, is, depending on the definition employed, either the largest moon of Pluto or one member of a double dwarf planet with Pluto being the other member. With the discovery in ... > full article

Planet -- The International Astronomical Union defines "planet" as a celestial body that, within the Solar System that is in orbit around the Sun; has sufficient mass for its self-gravity to overcome rigid ... > full article

Jupiter's moons -- Jupiter has 63 known natural satellites. Although claims are made for the observation of one of Jupiter's moons by Chinese astronomer Gan De in 364 BC, the first certain observations of Jupiter's ... > full article

Roving Mars : Spirit, Opportunity, and the Exploration of the Red Planet
teve Squyres is the face and voice of NASA's Mars Exploration Rover mission. Squyres dreamed up the mission in 1987, saw it through from conception in 1995 to a successful landing in 2004, and serves ... > read more

Photovoltaics : Design and Installation Manual
Producing electricity from the sun using photovoltaic (PV) systems has become a major industry worldwide. But designing, installing and maintaining such systems requires knowledge and training, and ... > read more

Astronomy: A Beginner's Guide to the Universe, Fourth Edition
Astronomy Today 4/e (ISBN 0-13-091542-4) is the more comprehensive text by this: proven team of authors. This twenty-eight chapter text begins with the foundations of the history of science and ... > read more

The Solar House: Passive Heating and Cooling
Passive solar heating and passive cooling—approaches known as natural conditioning—provide comfort throughout the year by reducing, or eliminating, the need for fossil fuel. Yet while heat ... > read more

Universe
Continuing in the bestselling tradition of Animal and Earth, DK brings you Universe - a truly definitive guide that takes you on a tour from the Solar System to the farthest limits of ... > read more

Space Mission Analysis and Design, 3rd edition (Space Technology Library) (Space Technology Library)
This practical handbook for Space Mission Engineering draws on leading aerospace experts to carry readers through mission design, from orbit selection to ground ops. SMAD III updates the technology, ... > read more

The Cosmic Perspective, Third Edition
The enhanced pedagogy, streamlined presentation, and integrated media of The Cosmic Perspective, Third Edition makes it easier than ever for readers to successfully navigate their way through ... > read more

Elemental Geosystems, Fourth Edition
This book gives readers an accessible, systematic, non-mathematical, and visually appealing start in physical geography. It features a distinctive, holistic integration of human-Earth relationships, ... > read more

The Balanced Scorecard: Translating Strategy into Action
Here is the book-by the recognized architects of the Balanced Scorecard--that shows how managers can use this revolutionary tool to mobilize their people to fulfill the company's mission. More than ... > read more

Essentials of Human Anatomy & Physiology with Essentials of InterActive Physiology CD-ROM (8th Edition)
Essentials of Human Anatomy & Physiology, Eighth Edition continues to set the standard for A&P; texts with an enhanced media package and new active learning features that help readers better visualize ... > read more