Astronomers have found stars that have tails that trail behind them.
IBEX was launched by NASA to learn more about the outer boundary of the solar system - the edge of where the Sun's presence is felt and then gives way to true interstellar space. Many new discoveries have resulted since IBEX launched in 2008. More are expected to come.
Read More About It and see a video here: http://science.nasa.gov/science-news/science-at-nasa/2013/10jul_ibex/
Sky Guy in VA