Deepan Vanitha

1 million million million million kilometres (570 thousand million million million miles) - the diameter of the observable Universe 200 Billion - the approximate number of stars in the Milky Way Galaxy 23 - the number of times our Solar System has orbited the Milky Way 7 Trillion - the approximate number of galaxies in the observable universe 6000 years - the length of time it would take to count the Milky Way's stars at a rate of one a second. The brightest stars emit a 6 million times more light than the Sun. 13 billion years - the age of the oldest known star. Supergiant stars can grow to 1 billion times the volume of our Sun. 1 Teaspoonful of material from a red giant weighs less than a grain of salt. 1,600 light years - the distance from Earth to the nearest black hole. 385 Million Billion Gigawatts - the amount of energy output from the Sun each second. 1,300 the number of times Earth could fit inside Jupiter's volume. 1665 the year Jupiter's Great Red Spot was first ...

What is an Ulcer? A sore that develops on the lining of the oesophagus, stomach or small intestine. Ulcers occur when stomach acid damages the lining of the digestive tract. Common causes include the bacteria H. Pylori and anti-inflammatory pain relievers including aspirin. Upper abdominal pain is a common symptom.  Treatment usually includes medication to decrease stomach acid production. If it is caused by bacteria, antibiotics may be required. How are ulcers caused? The most common  causes  of peptic  ulcers  are infection with the bacterium Helicobacter pylori (H. pylori) and long-term use of aspirin and nonsteroidal anti-inflammatory drugs (NSAIDs) (Advil, Aleve, others). Types Stomach ulcers are one type of   peptic ulcers . There are two other types: Esophageal and duodenal ulcers. Esophageal ulcers form inside the esophagus, and duodenal ulcers occur in the uppermost part of the small intestine, known as the duodenu...