Okay, that was more than three, but you get the point. A supernova is more significant than a nova, but less so than a hypernova. Supernovae are very bright and generate bursts of radiation that can briefly outshine a whole galaxy before declining in brightness over many weeks or months.n this period a supernova can emit as much energy as the Sun might over its entire lifetime. How Supernovae are Studied. By using optical telescopes, astronomers can approximate the amount of light generated by a supernova.
Cramps or spasms in the muscles often have no clear cause. Possible causes of hand or foot spasms include: 1  Abnormal levels of electrolytes or minerals in the body. 2  Brain disorders, such as Parkinson disease, multiple sclerosis, dystonia, and Huntington disease.  Chronic kidney disease and dialysis.
Causes of Cramps in Hands and Fingers: Cramps are involuntary contractions of the muscles, which fail to relax immediately, resulting in severe pain. Skeletal muscle cramps are more common in the legs and calf muscles; however they can affect hands and other body parts.Here are a few reasons for causes of cramps in hands and fingers,1  Prolonged activities involving the hands and the fingers like typing, playing an instrument or doing needle work are associated with hand or finger cramps.reatment of Cramps in Hands and Fingers: 1  Prolonged and repetitive activities can result in stress, which in turn, can cause cramps. 2  Take a break every now and then to stretch the hands and shake them to avoid cramps. 3  Ensure that your diet is rich in green leafy vegetables and fruits, namely pineapple.