👉 "Ultrahot" is a term used in astronomy and astrophysics to describe objects that are extremely hot, with temperatures of over 10,000 degrees Celsius or above. These stars can also be described as being "hot" because they emit radiation at an incredible rate, much faster than the Earth's atmosphere can cool it down. The term is often used to refer to stars that are classified as red giant stars, which are the most luminous and energetic types of
