I. What is the Hayashi Track? The Hayashi Track is a theoretical evolutionary path that stars follow on the Hertzsprung-Russell diagram as they evolve. It was first proposed by Japanese astrophysicist Chushiro Hayashi in the 1960s. The Hayashi Track is a region on the diagram where stars are in a state of gravitational contraction and … Read more
Lunar night lasts two Earth weeks. Here’s how astronauts could survive it with power systems, thermal control, and sealed habitats.
Explore the systems, technologies, and constraints that would let humans live on the Moon for weeks, months, and eventually years.
Explore how lunar underground habitats can protect astronauts, conserve resources, and enable long-term Moon missions.
Learn how a space habitat would be built, from launch and assembly to radiation shielding, life support, and long-term maintenance.
Explore the daily realities of living in a space habitat, from microgravity routines and food systems to health, work, and social life.
Explore the foods, preservation methods, and life-support systems that will shape Mars meals for astronauts.
Explore the essential systems, resources, and engineering tradeoffs a Moon base would need to survive and operate.
I. What is the Giant Impact Hypothesis? The Giant Impact Hypothesis is one of the most widely accepted theories regarding the formation of the moon. According to this hypothesis, a Mars-sized object collided with Earth approximately 4.5 billion years ago. The impact caused a large amount of debris to be ejected into space, eventually coalescing … Read more
Learn how astronauts warm meals in microgravity using spacecraft-approved heaters, rehydratable foods, and strict safety procedures.