The planet known as the morning star is Venus. This title arises from its bright appearance and the fact that it is often visible in the eastern sky just before sunrise. Venus has a thick, reflective atmosphere composed mainly of carbon dioxide, which contributes to its brilliance. Despite its beauty, Venus is known for its extreme temperatures due to a runaway greenhouse effect, making it one of the hottest planets in the solar system. In addition to its captivating appearance, Venus has been a subject of fascination for astronomers and continues to be studied for clues about planetary processes.