Space crafts suitable for preschool, kindergarten and gradeschool kids.
A glimpse into the mysteries of our universe: what we know about it, how its evolving, and the types of objects in it.
The motion of Earth in space, Newtonian mechanics, spaceflight and spacecraft, and a math refresher, on a high school level. This site deals with the world of gravity--of massive planets and stars, and the way spaceflight is achieved despite their strong pull.
Learn all about the Hubble Space Telescope.
Looks at the hot gases which fill most of space which are ruled by magnetic and electric forces rather than by gravity. The polar aurora, the radiation belts, the solar wind, magnetic storms, "space weather", cosmic radiation--this is the site which tells you all about them.
Space science activities for elementary and secondary students in astronomy, physics, life sciences, and space technology.
Get some answers to the most asked questions about the phenomena of the sun and moon, time, as well as calendars and historical events information.
Think humans are alone? Follow space expert Timothy Ferris in the scientific search for extraterrestrial life. Also, write to an alien.
The Old Farmer's Almanac offers the dates and locations of solar and lunar eclipses for the year, as well as the full Moon names and dates for nine years. Check it out here, then go outside and look UP!
Explores the secrets of the universe with an interactive timeline, classroom activities, and a trivia challenge. Ask the experts various questions as well.
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