Waves in Space

Waves in Space

When most people think of waves, they imagine ripples in water or vibrations in air. However, waves in space also exist, traveling through the vast emptiness between stars and galaxies.…
What Are Quasars?

What Are Quasars?

Quasars are among the brightest and most powerful objects in the universe. Their name comes from “quasi-stellar radio sources” because, when first discovered in the 1960s, they looked like faint…
How Meteor Showers Occur

How Meteor Showers Occur

Meteor showers are dazzling natural events where many meteors appear to streak across the night sky, often radiating from a single point. They happen when Earth passes through streams of…
What Is a Singularity?

What Is a Singularity?

A singularity is a point in space where the known laws of physics break down. It represents a region where quantities such as density and gravity become infinite, making it…
How Galaxies Form

How Galaxies Form

Galaxies are vast collections of stars, gas, dust, and dark matter bound together by gravity. They are among the largest structures in the universe, containing billions or even trillions of…