What Is the Vacuum of Space?

When the sun rises, we feel hot, right? We feel the heat. What really happens is that the sun gives off electromagnetic radiation in the form of photons or light waves. This energy travels through vacuum and when it reaches earth us, that's when it intracts with the atmosphere and all the substances on the and gives off what we call heatk carran says,.What was the purpose of digging the cola super deep bore hole?