Astronauts can eat sausage pies, spicy grilled fish, roast beef with potatoes, buttered bread, lobster sauce broth, tuna salad, biscuits, chocolate, yogurt, preserved fruit, juice and other delicacies in space, and American astronauts can even drink Coca-Cola.

Astronauts' meals are varied, from the initial dozen to more than 100. Astronauts usually eat four meals a day, and the recipes are not repeated for a week.

However, astronauts can't eat casually.

They must eat according to the recipes prepared by the nutritionist on the ground.

Space food is dehydrated food. Before eating, you can put the food in a bowl-shaped container, then inject a certain amount of water into the container with a syringe and heat it in the oven.