I. What is the Rocket Equation? The Rocket Equation, also known as the Tsiolkovsky Rocket Equation, is a fundamental equation in astronautics that describes the motion of vehicles that follow a basic principle of action and reaction. It is used to calculate the velocity change (delta-v) that a rocket can achieve based on the mass … Read more
Learn how astronauts eat during launch, from pre-launch meal planning to food packaging, hydration, and safety in a high-G environment.
Explore how autonomous robots could assemble a lunar base, from excavation and construction to power, logistics, and human support.
Humans need space habitats to support long-term survival, scientific discovery, and resource use beyond Earth.
Space food tastes familiar, but microgravity changes texture, smell, and perception in surprising ways.
Explore the systems, constraints, and backup methods that let astronauts send voice, data, and video between the Moon, Earth, and lunar surface assets.
I. What is the Orion Nebula? The Orion Nebula, also known as Messier 42 or M42, is a diffuse nebula situated in the Milky Way, south of Orion’s Belt in the constellation of Orion. It is one of the brightest nebulae visible to the naked eye and is located approximately 1,344 light-years away from Earth. … Read more
Explore how inflatable space habitats expand, hold pressure, and protect astronauts in orbit and beyond.
Explore how microgravity changes food texture, taste, storage, digestion, and nutrition on spacecraft and space stations.
Astronauts do not eat normally during spacewalks; they rely on careful pre-planning, hydration, and mission timing to stay safe and functional.