Please analyze the tweet "Professor: introduce yourselves and say one interesting fact\n\nHi I'm Ethan and the Sun will engulf our planet in a fiery explosion one day" and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
anticipation, fear, joy