Researchers demystify the unusual origin of the Geminids meteor shower
The Geminids meteoroids light up the sky as they race past Earth each winter, producing one of the most intense meteor showers in our night sky.
Mysteries surrounding the origin of this meteoroid stream have long fascinated scientists because, while most meteor showers are created when a comet emits a tail of ice and dust, the Geminids stem from an asteroid — a chunk of rock that normally does not produce a tail. Until recently, the Geminids had only been studied from Earth.
Now, Princeton researchers used observations from NASA’s Parker Solar Probe mission to deduce that it was likely a violent, ...









