Trail encounter . ... Expected meteor rates . ... The Leonids are the debris of Comet 55P/Tempel-Tuttle. ... The Earth's passage right through the centre of trails is associated with the most spectacular meteor displays (studies show that, as well as how close to the centre of the trail you are, the strength of the display also depends on how far along a trail's length you are). ... The encounter with the 1932 trail will lead to enhanced meteor activity: a nice outburst, but below storm level. ...

... We now also have the possibility to write our own generic functions or subroutines. ... PROGRAM SWAP _MAIN IMPLICIT NONE INTEGER :: I, J, K, L REAL :: A, B, X, Y CHARACTER :: C, D, E, F INTERFACE SWAP SUBROUTINE SWAP _R(A, B) REAL, INTENT ( INOUT ) :: A, B END SUBROUTINE SWAP _R SUBROUTINE SWAP _I(A, B) INTEGER, INTENT ( INOUT ) :: A, B END SUBROUTINE SWAP _I SUBROUTINE SWAP _C(A, B) CHARACTER, INTENT ( INOUT ) :: A, B END SUBROUTINE SWAP _C ...