Reconnaisance is the first phase of the Kill Chain and
includes research, identification and selection of targets. It is a preliminary
survey and aims to obtain information by visual observation and other detection
methods about activities and resources of a target.
When a meteoroid passes through earth's atmosphere, it heats up due to air resistance. The heat causes gases around the meteoroid to glow. most meteoroids that enter earths atmosphere disintegrate before they hit the ground.
