Group 1 - The event of Mars and the crescent moon appearing together, referred to as "Mars and Moon conjunction," will occur on the evening of July 28, allowing the public in China to witness this phenomenon with the naked eye if the weather is clear [1][6]. - Mars is transitioning from the constellation Leo to Virgo, and will be visible in the southwestern sky at sunset with a brightness of approximately 1.6 magnitude [3]. - The closest approach of Mars and the moon will happen around 4 AM on July 29, but this will not be visible in China as both celestial bodies will be below the horizon at that time [6]. Group 2 - Observers are advised to find open areas with minimal light pollution for better visibility of the conjunction, particularly before 10 PM when both Mars and the crescent moon will set below the horizon [7].

Group 1 - The "Starry Sky Theater" program for July features various astronomical events including the "Smallest Sun" and planetary conjunctions [1][2] - On July 4, Earth will reach its farthest point from the Sun, resulting in the smallest apparent diameter of the Sun for the year [1] - Venus will be in close proximity to Uranus on July 4 and 5, making it easier for the public to locate Uranus using telescopes [1] Group 2 - Mercury will experience its second eastern elongation of the year on July 4, with good observation conditions expected [2] - On July 22 and 23, Venus and Jupiter will be seen near a crescent moon, creating visually appealing "moon and star" scenes [2] - July 25 marks the "opposition" of Pluto, allowing experienced astronomers to observe this distant planet with larger telescopes [5] Group 3 - Mars will have a close encounter with a crescent moon on July 28, with the best visual effect expected on the evening of that day [5] - The end of July will feature several active meteor showers, including the Aquarius δ, Capricornus α, and Draco γ meteor showers, enhancing the summer night sky [7]

Group 1 - The event of Mars and Xuanyuan 14 appearing together in the western sky from June 16 to 18, with the closest approach on June 17 [1] - Xuanyuan 14, the brightest star in the Leo constellation, is also known as the "Yellow Emperor Star" in ancient Chinese astronomy [2] - Mars and Xuanyuan 14 have similar brightness of approximately 1.3 magnitude, creating a visually stunning contrast in the night sky [5] Group 2 - Observers are encouraged to find locations with low light pollution for optimal viewing of the celestial event, as urban areas may hinder visibility [7]

Group 1 - The celestial events in May include the Mars passing through the center of the Cancer constellation and the Beehive Cluster (M44) on May 3-6, with optimal viewing on the nights of May 4 and 5 when Mars is only half a degree from M44 [1] - The peak of the Aquarids meteor shower occurs on May 6 at 11 AM, with observers able to see up to 15 meteors per hour before dawn on that day [1] - From May 6 to 7, Saturn's rings will appear dimmer due to the sun's direct rays hitting Saturn's equator, providing a unique observation opportunity for astronomy enthusiasts [1] Group 2 - Significant planetary alignments include a "double star and moon" event on May 3, where Mars and the star Aldebaran will be positioned around the moon, and a crescent moon meeting with Saturn on May 23 [2] - On May 24, the crescent moon will meet with Venus, which will be the largest crescent moon of the year, reflecting light from Earth [2] - After sunset on May 28, the moon will be seen alongside Jupiter, creating a visually striking scene for observers [2]