A sand storm is not the best place to cook a meal or to bake a cake. The sand particles might contaminate and affect the
If you bake a cake, you need all kinds of ingredients, like flour, butter, sugar and eggs. You can’t make something from nothing! Likewise, when
When two cars crash into each other, you end up with a lot of wreckage. The same is true for two colliding galaxies. Over time,
ALMA is the highest observatory in the world. The Chajnantor Plateau, where the 66 ALMA antennas are located, is at five kilometers above sea level.
You live on a planet, called Earth. Together with seven other planets, Earth circles around the Sun. As far as we know, Earth is the
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