Golden supermoon rising over Earth’s horizon, casting a warm glow across the planet and stars—capturing the drama of a cosmic spectacle. Introduction A Supermoon is one of the most breathtaking cosmic events visible from Earth. It occurs when the Moon reaches its closest point to our planet in its orbit (called perigee) while also being…
Category: Cosmic Lessons
The Cosmic Census: Counting Galaxies, Stars, Black Holes, Planets, and Moons in the Universe
Introduction The universe is unimaginably vast. Scientists have spent decades estimating how many galaxies, stars, planets, moons, and black holes exist. While exact numbers are impossible to know, modern astronomy provides astonishing approximations that highlight the scale of the cosmos. How Many Galaxies Exist? Astronomers estimate there are about 2 trillion galaxies in the observable…