Sentences with phrase «behind by comets»
Most of the annual meteor showers are caused by debris left behind by comets.
https://www.scientificamerican.com/
Basically meteor showers are caused by ice particles left behind by comets, and we run into them.
The Perseid meteor shower occurs when Earth passes through debris left behind by the comet Swift - Tuttle, which last crossed the inner solar system in 1992.
It is produced by dust grains left behind by comet 21P Giacobini - Zinner, which was first discovered in 1900.
Not exact matches
However the combination of those catastrophic fires prompted a fearful public to speculate that comets, meteorites or aliens were behind those firestorms, and one must wonder if blaming CO2 for recent fires is driven by the same lack of scientific understanding.