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Electromagnetic radiation Atoms of each element emit or absorb radiation at different wavelengths. As you know, there is a spectrum called the electromagnetic spectrum. Electromagnetic radiation is energy that travels in waves. Everything emits radiation, such as light or X-rays! They all differ in wavelengths and how they interact with matter, because of this there is no one telescope that can de... » Continue Reading
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Category: SpaceHey
Black holes are invisible infinitely small and dense , their gravity is so strong that no matter or even light can escape black holes! It happens because of the remains of supernovas(the biggest explosion we have ever seen), when a star loses all its fuel in its core it will collapse to form a black hole the process of this is a supernova. Black holes distort spacetime into an infinitely deep wel... » Continue Reading
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