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
If you hold your breath for too long, you will die. Your body needs the oxygen in the air. Without getting enough oxygen, you can’t
ALMA is located in the Atacama Desert. When thinking about a desert, you probably imagine a vast, boring stretch of hot sand, with the occasional
ALMA is the biggest astronomical observatory on Earth. It was built by countries in North America, Europe and East Asia. You might expect that ALMA