This type of supernova is caused by a white dwarf. A white dwarf is the remnant of a sun-like star at the end of its life, a body of about 1 solar mass, mainly composed of carbon and oxygen. The matter is compressed into an earth-sized object with a diameter of between 11000 and 28000 km.
The main active ingredient in Robitussin cough medicine is dextromethorphan, or DXM. DXM is a non-narcotic cough suppressant indicated for cough caused by irritation of the bronchial passages and the common cold. BananaStock/BananaStock/Getty Images.
Robitussin contains guaifenesin, an ingredient that helps break up chest congestion. Motrin contains ibuprofen, which is used to decrease fever, pain, and inflammation. The two medications can be used together safely. Always speak to your pharmacist before taking an over-the-counter product.