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White dwarfs Reference Libraries

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Auwers Aurthur
2009-03-03 21:30:30

Georg Friedrich Julius Arthur von Auwers (September 12, 1838 "“ January 24, 1915) was a German astronomer born in Göttingen, Germany. He attended the University of Göttingen and worked at the University of Königsberg. Auwers specialized in astrometry, making very precise measurements of stellar positions and motions. He detected the companion stars of Sirius and Procyon from their...

Sirius
2004-10-19 04:45:40

Sirius -- Sirius (α Canis Major, also known as the Dog Star) is the brightest star (-1.46m) in the night sky and can be seen from every inhabited region of the Earth's surface. At a distance of 8.6 light years, Sirius is also one of the nearest stars to Earth. It is a main sequence star of spectral type A0 or A1 and has a mass about 2.4 times that of the Sun. Sirius has a white dwarf...

Procyon
2004-10-19 04:45:40

Procyon -- Procyon (α Canis Minoris) is a brilliant star that receives its name from the fact that it precedes the star Sirius as it travels across the Earth's sky. These two "dog stars" are referred to in the most ancient literature and were venerated by the Babylonians and the Egyptians. Astrologically, Procyon portended wealth, fame, and good fortune. Like Sirius, Procyon has a...

Word of the Day
toccata
  • In music, a work for a keyboard-instrument, like the pianoforte or organ, originally intended to utilize and display varieties of touch: but the term has been extended so as to include many irregular works, similar to the prelude, the fantasia, and the improvisation.
This word is Italian in origin, coming from the feminine past participle of 'toccare,' to touch.
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