Beijing, October 14 (Youth.cn) - The most expected comet in 2024, Comet Tsuchinshan-Atlas passed by the perigee these days. During this period of time, the comet is only 0.472 astronautic units (43.9 million kilometers) away from the Earth. According to an expert of Beijing Planetarium, the best observation time lasts until October 26th. Photo/VCG