Do you like watching the clouds? It’s a pleasing pastime. If you have enough imagination, the clouds above your head sometimes resemble faces or animals.
How do you weigh a black hole? For a person, it’s easy. You just step upon a scale and read off your weight. But no
Imagine that you’re on an open field in the middle of the night. In the distance is the edge of a dark forest. Using your
The Sun is a star. Not many people know that. It’s a star like all the other stars in the night sky. Or, put differently:
Did you know that you are made of star stuff? It’s true! Many of the atoms in your body were created in other stars. It’s
Look around you. You see the text you are reading right now. You see the room where you’re sitting in. Outside the window, you may