HEATKEYS

We are the official body that deals with astrometric observations and orbits of minor planets (asteroids) and comets.

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

Thoughts on Life, the Universe and Everything

Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, techno...

ephemeris.com - Astronomy, Time and Motion in the Solar System and Universe

MathWorks is the world’s leading developer of technical computing software for engineers and scientists in industry, government, and education

See what your friends are reading. Keep track of what you

Sizes of shoes, sheets, mattresses, baseball fields and other objects; grades; indexes (such as body mass index); the metric system and other systems and units of weight, measure and other properties, foreign and domestic, old and new.

The International Space Apps Challenge is a 2 day technology development event during which citizens from around the world work together to solve current challenges relevant to both space exploration and social need.