Why are there 66 antennas?
Have you ever noticed that owls have big eyes? That’s because they live at night. During the dark, you need really big eyes to see
Is ALMA a telescope?
Did you ever try to count the stars in the sky? It’s almost impossible – there’s just too many of them! On a clear, dark
Is there a lot to see?
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
Do astronomers live at ALMA?
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
Why is ALMA so high?
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.
Did life originate in space?
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
How do stars and planets form?
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
When were the first galaxies born?
The Earth is a planet, orbiting the Sun. The Sun is a star – a giant ball of hot gas, emitting light and heat. The
How do solar explosions work?
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:
How are ALMA images created?
ALMA measures millimeter waves from the sky. These millimeter waves are emitted by cold dust clouds in the Universe. The clouds are so cold that