Toxic air pollutants are poisonous substances in the air that come from natural sources (for example, radon gas coming up from the ground) or from manmade sources (for example, chemical compounds given off by factory smokestacks) and can harm the environment or your health.
Subsequently, Scorpius X-1 was discovered in 1962 by a team, under Riccardo Giacconi, who launched an Aerobee 150 sounding rocket carrying a highly sensitive soft X-ray detector designed by Frank Paolini.
One of the Zodiac family of constellations, Scorpius is located in the southern sky, near the center of the Milky Way galaxy. It consists of a number of famous stars and several other deep space objects. The most notable of its parts are the stars Shaula and Antares, the Ptolemy Cluster and the Butterfly Cluster.