Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: Astronomers predict red moon during total lunar eclipse CALGARY - The full moon may turn a deep, reddish orange on Wednesday night, astronomers say. If skies are clear, people can expect to see the colour change as the Earth #39;s shadow falls over the face of the moon in a total lunar eclipse.

Sci/Tech