The Van Allen Belts

The Van Allen Belts

The Van Allen radiation belts are two layers of energetic charged particles trapped by Earth’s magnetic field. They form a protective shield around the planet, blocking much of the dangerous…
The Heliosphere

The Heliosphere

The heliosphere is a vast bubble-like region surrounding our solar system, created by the continuous flow of charged particles from the Sun known as the solar wind. It acts as…
Why Telescopes Need to Be Cooled

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…