Core Points - The successful landing of the Shenzhou 19 manned spacecraft marks a significant achievement in China's space exploration, with astronauts spending 183 days in space and completing various missions [1] - The variety of food available to astronauts has increased significantly, with options including traditional dishes and innovative food production methods [3][5] Group 1: Food Variety and Innovations - Astronauts now have access to a diverse range of foods, including stir-fried rice, dumplings, and even ice cream, showcasing advancements in space food technology [1][3] - NASA's "Deep Space Food Challenge" has led to innovative food solutions, such as using carbon dioxide exhaled by astronauts to produce alcohol and developing systems to grow vegetables and insects in space [3][5] Group 2: Food Restrictions in Space - Certain foods, like Brussels sprouts, are prohibited in space due to their potential to cause gas, which poses a risk in the confined environment of a spacecraft [5][7] - Foods that can create crumbs or liquid, such as bread and juicy fruits, are also restricted to prevent contamination and hazards in microgravity [10][11] Group 3: Taste Preferences in Microgravity - The microgravity environment affects astronauts' taste and smell, leading to a preference for stronger flavors, such as spicy sauces [11][14] - The use of liquid seasonings instead of solid ones is common to avoid issues with floating particles in the spacecraft [10][12]