... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... meteors impacting the Earth's upper . ... The Armagh Observatory is opening its doors on Monday 13th December for an evening of meteor observing to capture the Geminid meteor shower. ... They may be seen at any time during the period 7-17 December, appearing to come from a point in the sky known as the radiant, located near the two bright stars called the "twins", Castor and Pollux, in the constellation of Gemini. ...

Using the free source form it is not permitted to have comments starting with a C or a * in column 1. This would be a violation of the free format. ... An advantage compared with earlier Fortran standards is that the standard now requires that the compiler can signal if the user deviates from the permitted standard. It is required that a Fortran 90 compiler can signal . ... It has to be possible to ask the program to signal for any extensions outside the Fortran 90 standard. ...