• The electromagnetic spectrum

  • Resolving the riddle of the infrared background

  • Finding the edge of a protostar disk

  • ALMA reveals how planets form around stellar twins

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Resolving the riddle of the infrared background

Have you ever seen the Milky Way? It’s a faint band of light in the sky. It’s only visible from a dark location, on a

Finding the edge of a protostar disk

A baby is already growing before it is born, inside the belly of its mother. The same is true for a star: even before it

ALMA reveals how planets form around stellar twins

Our Sun is a single star, but many other stars in our Milky Way galaxy belong to binary systems – two suns orbiting each other.

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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.

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:

Who build ALMA?

Since Hans Lipperhey built his first cheap telescope in his own workshop, telescopes became larger, and also more expensive. Sometimes, rich businessmen provided the money