A Beginner’s Guide to the Universe
A Beginner’s Guide to the Universe
Have you ever asked yourself, how much does the Earth weigh? It’s a strange question because we’re all standing on it, and there’s no giant scale to put it on. But scientists have found a way to figure it out,…
The Sun is the biggest object in our solar system. Its size is hard to imagine without a comparison. When we look at the Sun next to planets like Earth or even Jupiter, we start to understand how massive it…
Everything we see in the universe—like stars, planets, galaxies, and even black holes—makes up just 5% of it. The remaining 95% is invisible to us. We can’t see it or touch it, and we still don’t fully understand it. This…
Cosmic inflation is a theory about the very early universe. It was developed as an extension of the Big Bang Theory. This theory helps explain how the universe came to be the way it is today. The Big Bang Theory…
The night sky is a window to endless possibilities. As we gaze at its twinkling stars, it is hard not to wonder if someone, somewhere, might be looking back. The question “Are we alone?” is as old as humanity itself.…
You might have seen pictures of glowing clouds in space and thought they were just artistic creations. But they’re real! These stunning images show a phenomenon called reflection nebula (plural: nebulae). While these nebulae are beautiful to look at, few…
The Sun has fueled life on Earth for billions of years. It provides warmth, light, and stability in our solar system. But what would happen if the Sun exploded? Could Earth and humanity survive a disaster like this? Let us…
In the universe, a collision of two black holes is one of the most powerful events we know. Black holes are regions in space with such intense gravity that even light cannot escape. So, when two of these massive objects…
When we think of moons, Earth’s glowing companion often comes to mind. But did you know that the largest moon, or satellite, in our solar system is far bigger and even more fascinating? The biggest satellite of the solar system…
Scientists calculate the age of the universe by studying its expansion, the oldest light (CMB), and the ages of the oldest stars.