Is The Hubble Telescope Reflecting Or Refracting?

The Hubble telescope utilises an optical design referred to as Cassegrain reflector optics meaning it’s a reflecting telescope. This means that the Hubble has 2 mirrors within its chassis, the primary is a concave mirror and the secondary is convex.  There are 3 main reasons why the Hubble is a reflective telescope. Firstly, reflective optics … Read more

Why Are Inner Planets Rocky? (Explained!)

Inner planets are rocky thanks to their proximity to the sun. The heat emitted from these giant stars means that only materials with the highest melting points can survive, such as metals and rocks. These materials collide and join to form the base of a rocky planet. Continue reading to discover how these rocky clumps … Read more

What Is A Peculiar Galaxy? (Explained!)

A Peculiar galaxy collides, interacts, is cannibalistic, has a strange shape, or is considered diverse somehow. These are the unusual galaxies in their size, structure, and composition. They form from the interaction of two or more galaxies. Continue reading to discover the shape and composition of peculiar galaxies, how scientists first discovered these oddball formations, … Read more

What Makes Stars Explode? (Explained!)

Our night skies are filled with them, bright piercing lights shining back at us, celestial beings that have an almost infinite lifespan, burning endlessly for as long as we can imagine that is. However, just like how everything dies in the end, so do these gargantuan balls of fire. As for the main reason what … Read more

Why Are Moons Called Natural Satellites?

Moons are referred to as natural satellites because they naturally orbit around their respective planets Hill sphere (counterclockwise) . Artificial satellites, on the other hand, are manually placed in specific regions of space to orbit Earth, Saturn, Jupiter, etc. to deliver services, whether images, telecommunication, or weather reports for scientific and recreational use. For a … Read more