Posts by thebackyardscientist

Discover why planets don't fall into the Sun—exploring gravity, inertia, angular momentum, and orbital mechanics.

Explore how black holes bend space and time, from event horizons to gravitational lenses, and why they test Einstein's relativity.

Since the late 20th century, physicists and cosmologists have debated whether our universe is just one of many. The idea of a multiverse—a collection of parallel realities—has moved from speculative…

Explore Solar System Formation from dust clouds to planets – the nebular hypothesis, accretion, and latest discoveries.

Discover why Mars is red: iron‑oxide dust, thin atmosphere, and surface chemistry vs Earth's blue hue.

The Moon orbits Earth in a delicate dance that has persisted for billions of years, prompting the question: what keeps the Moon from crashing into our planet? Understanding this balance…

Explore if humans can live on Mars, covering habitats, agriculture, energy, health, and the roadmap to a permanent settlement.

Explore the science of Earth with two moons—tides, climate, orbital stability, and how a second satellite would reshape our world.

When you look up at the night sky, the twinkling points of light are more than just distant beauties; they are worlds with their own dramatic temperature stories. One surprising…

Explore how astronauts sleep, eat, and live on the ISS—microgravity sleep bags, space food, exercise, and mental health strategies.