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…
How Space Navigation Works

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…
What Is Spectroscopy?

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,…