deka – Page 40 – Science Observer

How Gravitational Lensing Works

Gravitational lensing is a fascinating effect predicted by Einstein’s theory of general relativity. It occurs when a massive object, such as a galaxy or black hole, bends the path of…

deka August 27, 2025

Science Space Stories Universe

What Is an Astronomical Unit?

An astronomical unit (AU) is a unit of measurement used in astronomy to describe distances within our solar system. Instead of using kilometers or miles, which would result in extremely…

deka August 27, 2025

Solar System Space Stories Universe

Interesting Facts About Mercury

Mercury, the smallest planet in our solar system, is full of fascinating mysteries. Despite being closest to the Sun, it remains one of the least explored planets. Its extreme conditions,…

deka August 27, 2025

Cosmic Innovations Hi-Tech New Discoveries

Why the Hubble Telescope Is Important

The Hubble Space Telescope is one of the most significant scientific instruments ever built, transforming our understanding of the universe. Launched in 1990 and orbiting outside Earth’s atmosphere, it avoids…

deka August 26, 2025

Cosmic Innovations Solar System Space Stories

Can We Colonize Moons?

Colonizing moons has long fascinated scientists, engineers, and visionaries. Unlike planets, moons often present unique advantages and challenges for human settlement. Some moons in our solar system—such as Earth’s Moon,…

deka August 26, 2025

Solar System Space Stories Universe

Why Saturn Is the Lightest Gas Giant

Saturn, the sixth planet from the Sun, is unique among the gas giants because it is the least dense of them all. In fact, Saturn’s average density is so low…

deka August 26, 2025

Space Stories Universe

How Planetary Magnetic Fields Work

Magnetic fields are invisible shields that surround many planets, protecting them from harmful solar and cosmic radiation. They are created by complex processes inside planets and play a vital role…

deka August 26, 2025

Cosmic Innovations Science

What Is Spectroscopy?

Spectroscopy is a scientific method used to study how matter interacts with light. By observing how light is absorbed, emitted, or scattered by a substance, scientists can determine its composition,…

deka August 26, 2025

Cosmic Innovations Hi-Tech Science

How Solar Panels Work in Space

Solar panels are the primary source of energy for most spacecraft, satellites, and space stations. They capture sunlight and convert it into electricity, powering everything from onboard computers to communication…

deka August 26, 2025

Cosmic Innovations Hi-Tech New Discoveries

How Infrared Telescopes Work

Infrared telescopes are powerful instruments that allow scientists to see parts of the universe invisible to the human eye. Unlike regular optical telescopes, which capture visible light, infrared telescopes detect…

deka August 26, 2025