Orbital Docking Procedures
Papa Althorn entered the mess hall with a serious expression. The family waited for him impatiently, knowing he brought important news. Mother Lirania, sitting next to little Melia, looked at him with a questioning gaze.
But Althorn said: “First, let’s have dinner. Then I’ll tell you everything.”
During the family dinner, everyone was cheerful, excitedly imagining what the first contact with the Earthlings from the rescue mission would be like. However, after dinner, Papa suddenly became very serious.
“We have received instructions from the Earth rescue mission,” Althorn began, settling into his seat. “They relayed vital directions regarding the airlock equipment. In space, everything is critical, and we must prepare correctly.”
Lirania nodded, listening intently.
“Children,” he started, looking at Melia and Zorin, “remember that there is no air in space. There is a vacuum, which means any wrong action can lead to very dangerous consequences.”
“But Dad,” Zorin raised his hand as if in a classroom, “why is a vacuum so dangerous?”
Althorn smiled and began to explain: “In a vacuum, son, there is almost no pressure. If we accidentally open a door to space, all the air we breathe will literally fly out. It’s like trying to hold air in a balloon and suddenly puncturing it. All the gases and liquids in your body would begin to expand and rush outward. That is why we must be extremely careful when moving from one compartment of the ship to another or when attempting to dock with another ship.”
Zorin listened carefully, narrowing his eyes. “So,” Althorn continued, “we will need to position our ship very precisely during docking with the rescue mission. Everything matters: speed, direction, angle. If we position the ship incorrectly, the docking latches won’t align, and an air leak could occur.”
“What is an airlock?” Melia asked, looking at her dad with curiosity.
“An airlock,” Althorn explained, “is a special chamber that allows you to safely pass between two pressurized compartments or go out into space. Imagine it’s like a vestibule between two rooms: first you close one door, check the pressure, and only then do you open the other. This prevents air from escaping.”
Lirania joined the conversation: “When we dock with the Earth ship, it’s crucial that our docking ports match exactly. Imagine two ships in space connecting like two puzzle pieces, but it must be done very gently. If the ports don’t align or if there’s an error in pressure, the air from the living compartment will instantly burst out into space, and it could cost us our lives.”
“How does it happen?” Zorin persisted. “How do they align?”
“Special docking systems help the ships line up,” Althorn explained. “They slow down the approach speed and adjust the orientation of the ships so the hatches meet perfectly. After that, they lock hermetically, and only then can the inner doors be opened to safely transfer to the rescue ship.”
“What happens if we fail to dock?” Zorin asked. Althorn thought for a moment. “Then the risk is great. If a leak occurs, the entire atmosphere of the living compartment could vent into the vacuum. It is deadly. That is why we must follow all instructions from Earth and perform the maneuvers in space perfectly.”
Lirania took over the next part of the task. “I am already working on the design for the data entry system for our ship,” she said. “We will create a device based on Arduino that will manage the airlock positioning and transmit data to the Earth ship. For this, we will need a matrix keypad to input coordinate data. We must be ready for a precise docking.”
“Yes,” Althorn agreed. “I am handing over all the instructions received from the Earthlings regarding the airlock equipment to you, Lirania. I ask you and the children to make us a high-quality airlock that will lead us to safety.”
Melia looked a bit anxious but determined. “I’ll help,” she said. “We’ll put it all together right!”
Zorin nodded, realizing how important everything his parents said was. “Dad, are you still testing the maneuvering thrusters?” he asked.
“Yes, son,” Althorn replied, standing up from the table. “We’ll need them for a precise orbital insertion and positioning before docking. It won’t be easy, but we can do it.”
The family was now ready to begin the final phase of their preparation. Lirania and the children started developing the project based on the matrix keypad and Arduino, while Althorn went to test the thrusters, knowing that the safety of the entire family depended on their efforts.