Task: Evaluate the tweet for emotional cues and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that indicate the tweeter's state of mind.
Tweet: The entire Universe outside our galaxy could completely disappeared over 20,000 years ago and we still wouldn't know it yet.. #terrifying
This tweet contains emotions: 
fear, pessimism