Final answer:
Radio waves in space can originate from electrons moving through magnetic fields, but are not typically associated with hot gases, molecules, or rays. They convey information about the universe's physical conditions and are detected using specialized electronic equipment.
Step-by-step explanation:
Radio waves from space can originate from various sources, one of which is electrons moving through magnetic fields. This process is known as synchrotron radiation, which is commonly observed in astronomical contexts. Another important observation related to radio waves is the cosmic microwave background radiation, a relic of the Big Bang, detected by Penzias and Wilson in 1964. However, radio waves are not typically associated with extremely hot gases, molecules, or rays.
Radio waves are part of the electromagnetic spectrum and are not audible to us; they must be detected using electronic equipment specifically designed for this purpose. Despite this, they carry valuable information about the chemistry and physical conditions of their sources, helping us understand the universe better.