STELLAR CHEMISTRY
NASA's Hubble captures image of dynamic star death
by Stephen Feller
Washington (UPI) Aug 23, 2019

NASA and the European Space Agency on Friday released an image of a dying star that the agencies said confounded astronomers when they first studied it.

The NASA/ESA Hubble Space Telescope image released this week was thought to be a picture of two separate objects, when in fact the objects are one star that has separated into two lobes.

While they were recorded by astronomers as separate planetary bodies -- NGC 2371 and NGC 2372 -- the two lobes form something called a planetary nebula.

The nebula NGC 2371/2 formed when a star started to die, pushing its outer layers out into space, leaving a stellar remnant behind. In the picture, the two lobes of material can be seen in the upper right and lower left corners, with the superheated stellar remnant roughly equidistant between them.

Scientists at ESA say the star's remnants will continue to change over the next several thousand years, with the lobes eventually dissipating and the remnant cooling to become a white dwarf star.


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STELLAR CHEMISTRY
Hubble Captures Galaxy's Biggest Ongoing Stellar Fireworks Show
Baltimore MD (SPX) Jul 05, 2019
Imagine slow-motion fireworks that started exploding 170 years ago and are still continuing. This type of firework is not launched into Earth's atmosphere, but rather into space by a doomed super-massive star, called Eta Carinae, the largest member of a double-star system. A new view from NASA's Hubble Space Telescope, which includes ultraviolet light, shows the star's hot, expanding gases glowing in red, white, and blue. Eta Carinae resides 7,500 light-years away. The celestial outburst takes the ... read more

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