Long TextExercício 45 de 83

There is a lot of excitement in the world of astronomy at the moment, because a strange visitor has appeared in the night skies. A mysterious object detected flying past our sun could be the first space rock traced back to a different solar system, according to astronomers tracking the body. While other objects have…

• What does the writer imply about the strange visitor?
• What do we find out about the movement of this object?