Science

Science

The discovery that comets are composed of antimatter was announced to April 2002 joint meeting of the American Physical Society and American Astronomical Society.

Picture of Halley's comet

Comets are blacker than coal and contain no ice or water-bearing minerals.

Antimatter is blasted off the comet's surface by solar wind and dust particles,
X-rays from matter and antimatter annihilations
Surface temperature is 300 to 400 degrees Kelvin,
Comet's coma and tails are plasmas of matter and antimatter ions and dust particles.
The coma and tails get larger as comet gets closer to the sun; and the tails bends with the solar wind.

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