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The California Nebula (Also known NGC 1499 or Sh2-220) is an emission nebula located in the constellation Perseus.
NGC 2440 is a planetary nebula, one of many in our galaxy. Its central star, HD 62166, [1] is possibly the hottest known white dwarf, about 400,000°F(200,000°C). The nebula is situated in the constellation Puppis. It was discovered by William Herschel on March 4, 1790. He described it as "a beautiful planetary nebula of a considerable degree ...
NGC 2244 (also known as Caldwell 50 or the Satellite Cluster) is an open cluster in the Rosette Nebula, which is located in the constellation Monoceros. This cluster has several O-type stars, super hot stars that generate large amounts of radiation and stellar wind. The age of this cluster has been estimated to be less than 5 million years.
Known to be one of the hottest places on Earth, Death Valley’s temperatures have shown no mercy as they peaked on Sunday (16 July).. The National Park located in California, reached 128 degrees ...
A deep marine layer is building across much of Southern California, the start of a cooler, wetter pattern. Light rain is possible through Saturday.
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IC 5146 (also Caldwell 19, Sh 2-125, Barnard 168, and the Cocoon Nebula) is a reflection [2] /emission [3] nebula and Caldwell object in the constellation Cygnus. The NGC description refers to IC 5146 as a cluster of 9.5 mag stars involved in a bright and dark nebula.
R136a1 has a surface temperature of around 46,000 K (45,700 °C; 82,300 °F), eight times as hot as the Sun, and with peak radiation in the extreme ultraviolet. [ 4 ] R136a1 has a B–V index of about 0.03, which is a typical colour for an F-type star .