Articles
Guides to galaxies, nebulae, telescopes, and the night sky — for curious minds everywhere.
Star Clusters Explained: Open vs Globular
Open clusters and globular clusters are both collections of stars, but they differ in almost every way. Here's how to tell them apart and why both are essential observing targets.
Team Visit Astronomy · Sep 8, 2026
Neutron Stars and Pulsars: The Universe's Densest Objects
Neutron stars pack more mass than the Sun into a sphere the size of a city. Here's how they form, why some pulse, and what makes them among the most extreme objects in the cosmos.
Team Visit Astronomy · Aug 27, 2026
Black Holes Explained: What We Know and Can Observe
Black holes are the most extreme objects in the universe — regions where gravity is so strong that nothing, not even light, can escape. Here's what we actually know about them.
Team Visit Astronomy · Aug 15, 2026
What Is a Supernova? Exploding Stars Explained
A supernova is one of the most violent events in the universe — and one of the most important. Here's what happens when a star explodes and why it matters to everything, including you.
Team Visit Astronomy · Aug 13, 2026
Nebula Types Explained: Emission, Reflection, Dark, Planetary
Not all nebulae are the same. From glowing emission nebulae to invisible dark nebulae, each type tells a different story about star birth and death.
Team Visit Astronomy · May 12, 2026