... Molecules and Dust . The RCrB phenomenon. ... very low and conditions are favourable for atoms to combine as molecules and for molecules to aggregate as grains of dust ...
... Leonid dust trails. ... every 33 years or so (in fact very close to 3 times a century), generating a new trail of meteoroids and dust each time ...
... Leonid dust trail positions in 1966. ... that it occurred when the Earth passed through the dense Leonid dust trail that had been generated around the 1899 return of ...
... Every 33 years or so, the comet returns to the inner solar system and releases material that forms into a new dust trail. ... following diagram shows the position of the 6 youngest Leonid dust trails when the Earth traverses the Leonid stream in 2003 ...
... Leonid dust trail positions in 1833. ... that it occurred when the Earth passed through the dense Leonid dust trail that had been generated around the 1800 return of ...