Type Ia supernovas happen when a white dwarf star is orbiting a big star. Sometimes, the white dwarf star sucks matter off of the big star. When the white dwarf gets to be about 1.4 times the mass of the sun, it collapses.This makes lots of energy and light, which is why supernovas are very bright.ype Ia supernovas happen when a white dwarf star is orbiting a big star. Sometimes, the white dwarf star sucks matter off of the big star. When the white dwarf gets to be about 1.4 times the mass of the sun, it collapses.
As the condition worsens, you can experience muscle spasms in your upper arms, abdomen and thighs. Most children receive a total of four tetanus vaccinations by age 2 and then a booster shot at around 4 years of age. Another booster shot is usually administered at about age 11 and then every 10 years after that.hoto Credit arm pumping image by MAXFX from Fotolia.com. Muscle spasms can occur for a number of reasons. The most common cause of muscle spasms is muscle fatigue, or overuse of a particular muscle, according to MedlinePlus. Sometimes a muscle spasm can feel like the muscle is hard, bulging, twitching or tight.
Nerve compression can cause leg spasms. Overview. Leg spasms, also known as muscle cramps, are involuntary muscle contractions that fail to release, states the American Academy of Orthopaedic Surgeons. Cramps affect skeletal muscles but typically occur in the hamstring, quadriceps and calf areas.