Solar flare -- A solar flare is a violent explosion in the Sun's atmosphere with an energy equivalent to tens of millions of hydrogen bombs. Solar flares take place in the solar corona and chromosphere, heating ... > full article

Corona -- In astronomy, a corona is the luminous plasma "atmosphere" of the Sun or other celestial body, extending millions of kilometres into space, most easily seen during a total solar eclipse, but also ... > full article

Solar radiation -- Solar radiation is radiant energy emitted by the sun, particularly electromagnetic energy. About half of the radiation is in the visible short-wave part of the electromagnetic spectrum. The other ... > full article

Sunspot -- A sunspot is a region on the Sun's surface (photosphere) that is marked by a lower temperature than its surroundings and intense magnetic activity, which inhibits convection, forming areas of low ... > full article

Solar wind -- A solar wind is a stream of charged particles (i.e., a plasma) which are ejected from the upper atmosphere of a star. When originating from stars other than the Earth's Sun, it is sometimes called a ... > full article

Geomagnetic storm -- A geomagnetic storm is a temporary disturbance of the Earth's magnetosphere. Associated with solar coronal mass ejections, coronal holes, or solar flares, a geomagnetic storm is caused by a solar ... > full article

Red giant -- A red giant is a large non-main sequence star of stellar classification K or M; so-named because of the reddish appearance of the cooler giant stars. As Earth's sun is of one solar mass, it is ... > 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

Red supergiant star -- Red supergiants are supergiant stars of spectral type K-M and a luminosity class of I. They are the largest stars in the universe in terms of physical size, although they are not the most massive. ... > full article

Blue supergiant star -- Blue supergiants are supergiant stars (class I) of spectral type O. They are extremely hot and bright, with surface temperatures of between 20,000 - 50,000 degrees Celsius. The best known example is ... > full article

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

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

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

The Weather Makers : How Man Is Changing the Climate and What It Means for Life on Earth
Sometime this century the day will arrive when the human influence on the climate will overwhelm all other natural factors. Over the past decade, the world has seen the most powerful El Niño ... > 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

Programming the Universe : A Quantum Computer Scientist Takes On the Cosmos
Is the universe actually a giant quantum computer? According to Seth Lloyd—Professor of Quantum-Mechanical Engineering at MIT and originator of the first technologically feasible design for a ... > read more

Inspiration : Your Ultimate Calling
    There’s a voice in the universe calling each of us to remember our purpose—our reason for being here now, in this world of impermanence. The voice whispers, ... > read more

Color Atlas and Manual of Microscopy for Criminalists, Chemists, and Conservators
Professionals in many disciplines, from archeology to forensic science and anthropology, must be able to identify organic and inorganic fibers and particles. In a single source, this book presents a ... > read more