This photo taken on Sept. 19, 2025 shows the planet of Venus, the star of Regulus in the constellation Leo and a crescent moon in the sky over Fujin City of Jiamusi, northeast China's Heilongjiang Province. (Photo by Qu Yubao/Xinhua)

This photo taken on Sept. 19, 2025 shows the planet of Venus, the star of Regulus in the constellation Leo and a crescent moon in the sky over Jiamusi City, northeast China's Heilongjiang Province. (Photo by Chen Zhiguo/Xinhua)

This photo taken on Sept. 19, 2025 shows the planet of Venus, the star of Regulus in the constellation Leo and a crescent moon in the sky over Bei'an City of Heihe, northeast China's Heilongjiang Province. (Photo by Qian Boyu/Xinhua)

This photo taken on Sept. 20, 2025 shows the planet of Venus, the star of Regulus in the constellation Leo and a crescent moon in the sky over Qiqihar City, northeast China's Heilongjiang Province. (Photo by Wang Yonggang/Xinhua)

This aerial drone photo taken on Sept. 20, 2025 shows the planet of Venus, the star of Regulus in the constellation Leo and a crescent moon in the sky over Fujin City of Jiamusi, northeast China's Heilongjiang Province. (Photo by Geng Xiqing/Xinhua)