deka – Page 39 – Science Observer

Why Telescopes Need to Be Cooled

Modern telescopes are powerful instruments designed to capture faint signals from distant stars, galaxies, and other cosmic objects. To achieve high precision, many telescopes—especially those working in the infrared spectrum—must…

deka September 4, 2025

Space Stories Universe

What Are Binary Stars and How Do Scientists Discover Them?

A binary star system is made up of two stars that orbit around a common center of mass due to their mutual gravitational pull. Instead of moving independently, both stars…

deka September 4, 2025

Earth & Moon Space Stories Universe

Where Does Water Ice on the Moon Come From and Why Is It Important?

For many years, scientists believed the Moon was completely dry. However, modern space missions and satellite observations have revealed the presence of water ice in permanently shadowed craters near the…

deka September 4, 2025

Science Space Stories Universe

How Space Navigation Works

Navigating in space is much more complex than traveling on Earth because there are no roads, signposts, or fixed reference points. Spacecraft must rely on physics, precise calculations, and advanced…

deka September 4, 2025

Space Stories Universe

What Happens in the Centers of Galaxies

The centers of galaxies are some of the most extreme and fascinating regions in the universe. Unlike the calmer outer spiral arms where stars like our Sun exist, galactic centers…

deka September 4, 2025

Hi-Tech New Discoveries Smart Technology

Moonwalking – Innovation in Footwear

When people hear moonwalking, they often think of the famous dance move. But in the world of science and technology, the term is also used to describe innovative footwear designs…

deka August 29, 2025

Hi-Tech Science Space Stories

How a Satellite’s Onboard Computer Works

Every modern satellite relies on its onboard computer—also called the OBC (Onboard Computer) or satellite control system—to carry out missions in space. It acts as the “brain” of the satellite,…

deka August 27, 2025

Space Stories Universe

Why Scientific Missions to Asteroids Are Important

Asteroids are remnants of the early solar system, often called cosmic time capsules. Studying them through scientific missions helps us understand the formation of planets, the origins of life, and…

deka August 27, 2025

Hi-Tech Space Stories Universe

How Space Maps Are Created

Space maps are essential tools that help astronomers and scientists navigate and understand the universe. Unlike traditional maps of Earth, space maps chart stars, galaxies, planets, and other celestial objects…

deka August 27, 2025

Earth & Moon Science Universe

What Are Earth’s Radiation Belts?

The radiation belts of Earth, also known as the Van Allen belts, are regions around our planet where charged particles from the Sun and cosmic rays are trapped by Earth’s…

deka August 27, 2025