Though its wingspan covers over 3 light-years, NGC 6302 is no exception. With an estimated surface temperature of about 250,000 degrees C, the dying central star of this particular planetary nebula has become exceptionally hot, shining brightly in ultraviolet light but hidden from direct view by a dense torus of dust.
This sharp and colorful close-up of the dying star’s nebula was recorded in 2009 by the Hubble Space Telescope’s Wide Field Camera 3, installed during the final shuttle servicing mission. Cutting across a bright cavity of ionized gas, the dust torus surrounding the central star is near the center of this view, almost edge-on to the line-of-sight. Molecular hydrogen has been detected in the hot star’s dusty cosmic shroud. NGC 6302 lies about 4,000 light-years away in the arachnologically correct constellation of the Scorpion (Scorpius).
April 16 2015 - Clashes erupted as over 150,000 students marched through Alameda in Santiago, Thursday, in the first nationwide rally organised by the Confederation of Chilean Students (CONFECH) in support of education reform and against recent governmental corruption scandals. [video]
Herbig Haro 110 is a Herbig-Haro object, a jet of gas thrown off by a young star. They are thought to result from a disk of dust accreting on to a newborn star. The dust is thrown off by the gravity of the star, usually in twin jets. These jets low in to colder clouds of dust and slow down, while more material piles up behind, creating bow shocks that heat up and glow.
HH 110 is unusual in that it does not appear to have a source star. It may in fact be created by another jet. HH 270 is a nearby jet, that may be deflected by an immovable cloud of dense, cold gas. It then disappears, then returns as HH 110.
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