Nature NUMBER@1 , NUMBER@2 -LRB- NUMBER@3 January NUMBER@4 -RRB- -LSB- -RSB- External links `` Asteroid Smashup Yields Dust Shower on Earth '' from ORGANIZATION@1 , Jan. NUMBER@5 , NUMBER@4 .

Nature NUMBER@1 , NUMBER@2 -LRB- NUMBER@3 January NUMBER@4 -RRB- -LSB- -RSB- Other websites `` Asteroid Smashup Yields Dust Shower on Earth '' from ORGANIZATION@1 , Jan. NUMBER@5 , NUMBER@4 .
