Comets are chunks of ice, gravel, dust and rock stuck together in a lumpy ball.
It was the brightest comet since the two mentioned above, so it got a small amount of media attention. One such attentive medium was the San Francisco Chronicle . They commonly cover astronomical events, which is wonderful. However, like all things human, they sometimes make mistakes. They said The Linear comet is believed to have been launched on its 100-year voyage around the sun from a huge cloud of similar objects that surrounds the solar system more than a trillion miles away.