1) alpha particle. The Columbia Encyclopedia, Sixth Edition. 2001
...alpha particle, one of the three types of radiation resulting from natural radioactivity. Alpha radiation (or alpha rays) was distinguished and named by E. R. Rutherford...
2) Alpha Centauri. The Columbia Encyclopedia, Sixth Edition. 2001
...Alpha Centauri, (alŽf sentorŽe) (KEY) , brightest star in the constellation Centaurus and 3d-brightest star in the sky; also known as Rigil Kent or Rigil Kentaurus;...
3) Alpha Crucis. The Columbia Encyclopedia, Sixth Edition. 2001
...Alpha Crucis, (alŽf krooŽsis) (KEY) : see Acrux....
4) alphabet. The Columbia Encyclopedia, Sixth Edition. 2001
...alphabet, [Gr. alpha-beta, like Eng. ABC], system of writing, theoretically having a one-for-one relation between character (or letter) and phoneme (see phonetics)....
5) Proxima Centauri. The Columbia Encyclopedia, Sixth Edition. 2001
...Proxima Centauri, see Alpha Centauri....
6) Rigil Kent. The Columbia Encyclopedia, Sixth Edition. 2001
...Rigil Kent, (riŽjl) (KEY) : see Alpha Centauri....
7) Vega. The Columbia Encyclopedia, Sixth Edition. 2001
...Vega, (vaŽg) (KEY) , brightest star in the constellation Lyra; Bayer designation Alpha Lyrae; 1992 position R.A. 18h36.7m, Dec. +38°47Ž. A white main-sequence star...
8) Spica. The Columbia Encyclopedia, Sixth Edition. 2001
...Spica, (spiŽk) (KEY) , brightest star in the constellation Virgo; Bayer designation Alpha Virginis; 1992 position R.A. 13h24.8m, Dec. -11°07Ž. A bluish-white star...
9) Deneb. The Columbia Encyclopedia, Sixth Edition. 2001
...Deneb, (denŽeb) (KEY) , brightest star in the constellation Cygnus; Bayer designation Alpha Cygni; 1992 position R.A. 20h41.2m, Dec. +45°15Ž. It is a white supergiant...
10) Antares. The Columbia Encyclopedia, Sixth Edition. 2001
...Antares, (antarŽez) (KEY) , brightest star in the constellation Scorpius; Bayer designation Alpha Scorpii; 1992 position R.A. 16h27.6m, Dec. -26°22Ž. A red supergiant...
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