Universe – Page 6 – Science Observer

What Space Debris Is Dangerous?

Space debris, also called space junk, refers to non-functional satellites, rocket parts, and fragments left behind from past missions orbiting Earth. As humanity launches more satellites and spacecraft, the number…

deka August 18, 2025

Space Stories Universe

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…

deka August 18, 2025

Science Space Stories Universe

What Is Dark Energy?

Dark energy is one of the most mysterious concepts in modern cosmology. It refers to an unknown form of energy that is thought to make up about 70% of the…

deka August 18, 2025

Space Stories Universe

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…

deka August 18, 2025

Be Smart Space Stories Universe

What Are Light Years?

When astronomers talk about stars, galaxies, or other celestial objects, they often use the term "light year" — but it’s not a measure of time. Despite the word “year”, a…

deka August 7, 2025

Science Space Stories Universe

How Do Scientists Measure the Distance to Stars?

Stars may appear close as dots in the night sky, but in reality, they are incredibly far away — often light years from Earth. Since we can't stretch a measuring…

deka August 7, 2025

Space Stories Universe

Why Do Some Planets Have Rings?

When we picture planets with rings, Saturn immediately comes to mind. But did you know that all four gas giants in our solar system — Jupiter, Saturn, Uranus, and Neptune…

deka August 7, 2025

Be Smart Science Universe

What Is a Photon?

When we think of light, we usually imagine beams or waves. But in modern physics, light also behaves like a particle — and that particle is called a photon. A…

deka August 5, 2025

Earth & Moon Solar System Space Stories

Where Does Space Begin?

When we look up at the sky, it may seem like space begins just beyond the clouds. But scientifically defining where Earth ends and space begins is far more complex.…

deka August 5, 2025

Science Space Stories Universe

How Planets Form

Planets don’t simply appear — they are the result of complex processes unfolding over millions of years. From dust particles in a swirling cloud of gas to massive, orbiting worlds,…

deka August 5, 2025