Black holes are the most mysterious objects in the Universe. Their gravity is dangerously strong. They suck in everything that comes too close. Moreover, they
If you topple a bottle of water, the liquid flows out very fast. But turn over a container of treacle, andit takes ages to empty.
Have you ever played with a magnet? It’s like magic. A magnet has an invisible force field. You can only see it indirectly. For instance
The huge array of 66 ALMA antennas is located at the Chajnantor Plateau in the north of Chile, at 5,000 meters altitude. The site is
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
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