deka – Page 46 – Science Observer

The History of Human Spaceflight

The story of cosmonautics — also known as human spaceflight — is one of the most remarkable chapters in modern history. It began with ideas from science fiction, advanced through…

deka August 7, 2025

Earth & Moon History Space Stories

The First Moon Landing

On July 20, 1969, millions of people across the globe watched in awe as Neil Armstrong stepped onto the surface of the Moon, delivering the iconic words: "That's one small…

deka August 7, 2025

Cosmic Innovations Hi-Tech New Discoveries

We are living in a revolutionary era of space technology. Once dominated by government agencies and Cold War politics, modern space activity now includes private companies, global collaboration, robotics, and…

deka August 7, 2025

Cosmic Innovations Science Space Stories

Rockets: The Engines of Space Exploration

A rocket is a vehicle or device that moves by expelling gas out of a nozzle at high speed, based on Newton’s Third Law of Motion: “For every action, there…

deka August 7, 2025

AI Neuro-Tech Science

Puzzle Encoding: The Art of Information Obfuscation

Puzzle encoding is a method of transforming information into a form that resembles a disassembled puzzle, making it difficult to interpret unless properly reconstructed. While not a formal cryptographic standard,…

deka August 7, 2025

History Space Stories

The History of the Apollo Program

The Apollo program, run by NASA between 1961 and 1972, was one of the most ambitious and historic endeavors in human history. Its goal: to land humans on the Moon…

deka August 7, 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