The Calabash Nebula is a protoplanetary nebula 1.4 light years long and located approximately 5,000 light years from Earth. It is sometimes called the Rotten Egg Nebula because it contains a relatively large amount of sulfur. The densest parts of the nebula are composed of material ejected recently by the central star and accelerated in opposite directions at incredibly high speeds. What do astronomers believe will happen to the Calabash Nebula 1,000 years from now? Discuss
Source: The Free Dictionary
Now an integral part of New York City culture, the NYC subway opened its first underground line in 1904—about 35 years after service began on the first elevated line. The subway’s early popularity was highlighted in songs like “Take the ‘A’ Train” and publicity contests like “Miss Subways.” Millions of people now ride the city’s subways every day, consistently crowding some trains well beyond capacity. What 1888 natural disaster boosted support for the creation of an underground transit system? 
Observed by married women in Hindu families, the 
An Italian violinist and composer whose virtuosity is the stuff of legend, Paganini was playing with an orchestra by the age of nine. By the time he reached adulthood, the renowned violinist had also earned a reputation as a shameless womanizer and inveterate gambler. The latter vice once even cost him his prized violin. Nevertheless, he had a profound influence on the evolution of violin technique. Why did the Catholic Church deny him burial in consecrated ground for years following his death? 
Nanak was the founder of Sikhism and the first of its ten Gurus. Born into a Hindu merchant caste, he worked as a storekeeper until a spiritual experience incited him to leave his job and family and begin a 20-year phase of travel. He eventually settled in Kartarpur, a village in Punjab, and attracted many disciples. He stipulated that meditation must be inward and rejected all external aids such as idols, temples, and scriptures. Where was Nanak said to have made his four major journeys? 
Park rose through the ranks of the South Korean army and was a member of the military junta that overthrew the civilian government in 1961. Two years later, he was elected president of South Korea. Although his government aided economic progress through export-oriented growth, Park became increasingly dictatorial and was assassinated by his chief of intelligence in 1979—the last of several assassination attempts against him. Who was accidentally murdered in a 1974 attempt on Park’s life?