Matches in DBpedia 2014 for { ?s ?p The Stingray Nebula (Hen 3-1357) is the youngest known planetary nebula (PN). (Bobrowsky 1994) The Stingray is located in the direction of the southern constellationAra (the Altar), and is located 18,000 light-years away. Although it is some 130 times the size of our solar system, the Stingray Nebula is only about 1/10 the size of most other known planetary nebulae. Forty years ago it was still a protoplanetary nebula in which the gas had not yet become hot and ionized. In a Nature article, Bobrowsky et al. described how the Hubble observations revealed a 17th-magnitude companion to the Stingray's 15th-magnitude central star. The image of the Stingray Nebula shown here shows how the outer shells of gas are collimating the continuing outflow of gas from the central star -- an important observation, as the process of how these outflows become collimated has not been well understood.. }
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- Stingray_Nebula abstract "The Stingray Nebula (Hen 3-1357) is the youngest known planetary nebula (PN). (Bobrowsky 1994) The Stingray is located in the direction of the southern constellationAra (the Altar), and is located 18,000 light-years away. Although it is some 130 times the size of our solar system, the Stingray Nebula is only about 1/10 the size of most other known planetary nebulae. Forty years ago it was still a protoplanetary nebula in which the gas had not yet become hot and ionized. In a Nature article, Bobrowsky et al. described how the Hubble observations revealed a 17th-magnitude companion to the Stingray's 15th-magnitude central star. The image of the Stingray Nebula shown here shows how the outer shells of gas are collimating the continuing outflow of gas from the central star -- an important observation, as the process of how these outflows become collimated has not been well understood.".