Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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