Superbubble! Young Stars Highlight Glowing Gas Cloud (Photo, Video) –

5 months ago Comments Off on Superbubble! Young Stars Highlight Glowing Gas Cloud (Photo, Video) –

A glowing gas cloud full of young stars shines brightly in a new picture from the European Southern Observatory’s Very Large Telescope (VLT) in Chile.

The gas cloud, a nebula called LHA 120-N55, is about 163,000 light-years away from Earth and is situated in the Large Magellanic Cloud, a nearby dwarf galaxy that’s one of the Milky Way’s satellites. The image was taken by the VLT’s FOcal Reducer and low dispersion Spectrograph (FORS2), and its location in space is pinpointed in a new video.

The gaseous N55 is inside of a superbubble, a vast structure which occurs when winds from new stars and shockwaves from supernova explosions, caused by dying stars, blow away the gas and dust those stars used to possess. The process carves bubble-shaped holes in the gas. [50 Fabulous Deep-Space Nebula Photos]

Emission nebula LHA 120-N55 shines in this image from the European Southern Observatory's Very Large Telescope.
Credit: ESO

“The material that became N55, however, managed to survive as a small remnant pocket of gas and dust,” ESO officials said in a statement. “It is now a standalone nebula inside the superbubble and a grouping of brilliant blue and white stars — known as LH 72 — also managed to form hundreds of millions of years after the events that originally blew up the superbubble.”

Those brilliant stars are quite young — too young to have created the superbubble — but they are responsible for the bright colors in the image. Their radiation is stripping away electrons inside the hydrogen atoms of N55, which makes the gas glow; that vibrant glow is seen as an indication of new stars.

This region will see a lot of upheaval in a few million years, ESO officials added, when some of these young stars begin to go supernova. “In effect, a bubble will be blown within a superbubble, and the cycle of starry ends and beginnings will carry on in this close neighbour of our home galaxy,” they said.

Follow Elizabeth Howell @howellspace, or @Spacedotcom. We’re also on Facebook and Google+. Original article on

Superbubble! Young Stars Highlight Glowing Gas Cloud (Photo, Video) –

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