Universe – Science Observer

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

New Discoveries Science Universe

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

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

Space Stories Universe

How Old Is the Universe?

The age of the universe is one of the most fundamental questions in cosmology. Scientists estimate that the universe is about 13.8 billion years old. This calculation is based on…

deka August 26, 2025