Core Viewpoint - The article discusses the development of a world-first "space oven," a hot air baking machine that enables cooking in space, effectively bringing a kitchen to the space station [1] Group 1 - The hot air baking machine represents a significant advancement in space cooking technology [1] - This innovation allows astronauts to prepare meals in a more familiar and comfortable manner while in space [1] - The development of this equipment highlights the ongoing efforts to improve life quality for astronauts during long-duration missions [1]

Core Points - The Chinese space station has introduced a new "oven" for astronauts, allowing them to cook and bake food in space for the first time [2][3] - The introduction of the oven is part of efforts to enhance the living conditions of astronauts, with a significant expansion in the variety of food available [2][3] Group 1: Space Kitchen Innovations - The new oven enables astronauts to prepare dishes like grilled chicken wings and black pepper steak, enhancing their dining experience in space [2] - The oven employs advanced technologies for smoke-free cooking, meeting the space station's emission standards, and has been rigorously tested for reliability [2][3] Group 2: Food Variety and Nutritional Improvements - The range of food types for astronauts has expanded to over 190, with a flight menu cycle extended to 10 days, allowing for fresh vegetables, nuts, cakes, and meats to be cooked in space [2] - Research has led to breakthroughs in growing fresh produce in space, with successful cultivation of seven plant types, providing astronauts with 4.5 kilograms of fresh fruits and vegetables [3]