X-Y-Z

X-ray: Electromagnetic radiation with a short wavelength produced when atoms are hit with high-energy particles. X-rays can pass through many types of matter, which gives them their medical use. Years astronomical, sidereal, etc. Zenith: Point in an orbit or celestial sphere that is directly above an observer. Zulu (nickname for Greenwich Mean Time)

explore more

All material on this site © 1998,1999 explorezone.com Columns & Features FutureWatch Rocks from Space Science Snapshots Wil Milan's Universe Out at Night with Bruce Dale

The ez giftzone! Science book reviews

Your voice E-mail us with general site comments or suggestions. Comments & corrections on this or any page are encouraged. Hear the buzz? See what people are saying about ez! About ez! ez home page Advertise on ez! Newsticker for your site

Earth . Space . Weather . The Edge . Newsletter . News to go Asteroids . Comets & Meteors . Drought & Fire . Earthquakes . El Niño . Environment . Global Warming . Health Hubble . Hurricanes . Mars . Moon . Science research . Space missions . Solar System . Technology . Tornadoes . Volcanoes

101 . Q&A . A B C D E F G H I J K L M N O P Q R S T U V W X Y Z . Site map . Search

cool science is ez!