The basis for everything we understand about the orbits of the planets comes from the work of early-17th-century German astronomer...

The telescope was first invented in the Netherlands around 1608, with Hans Lippershey being the first to apply for a patent. Soon after,...

Math is absolutely fundamental to a space mission! It permeates every aspect of the mission from spacecraft design, to launch, to...

Which image above shows a spiral galaxy, and which an elliptical galaxy? This question may be simple enough to answer based on the images...

Hubble Telescope image of a star cluster. Credit: NASA, ESA, STScI. Have you ever gazed up at the night sky and wondered if living beings...

Imagine a region in space where the gravity is so incredibly strong that nothing, not even light, can escape. That's the essence of a...

Have you ever seen a rocket launch on-screen or in-person, and wondered why a rocket has to blast off with such tremendous speed to get...

Hydrostatic Equilibrium One of the basic principles underlying how a star works is hydrostatic equilibrium, the balance of thermal...

Mathematics is the essential foundation that unlocks the mysteries of celestial phenomena and the cosmic laws that govern our universe....