What is a Black Hole?
A black hole is a place in space where gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star … Read More
A black hole is a place in space where gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star … Read More
Canadian astronaut Chris Hadfield tells how our taste perceptions change when we get into zero gravity. When we get into space, the food really does not have the taste we’re used to. And the reason is not in the food … Read More
We are so used to some things that we stopped wondering about them. Like light. What is light? Some kind of wavy thing, right? In a sense, you are right. The next extraordinary video of the YouTube channel ” Kurzgesagt – … Read More