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Cheers! Bubbly 'Champagne Flow' of Stars Revealed in New Image, Video

A dramatic new picture of young stars shows captures a cosmic "champagne flow" as the stars blow away hot hydrogen gas around them.

The image was captured by the European Southern Observatory's Very Large Telescope in Chile, which spotted the stars inside the nebula RCW 34 in the southern constellation of Vela. ESO officials unveiled the image today (May 27) along with a video of the "champagne flow" in space.

When the gas reaches the edge of the nebula, it explodes into the vacuum of space in the "champagne flow" pattern, which gets its name because it leaves behind characteristic bubbles.

This spectacular view of the nebula RCW 34 showcases a formation that scientists call "champagne flow" as young stars form. The nebula is located in the southern constellation Vela (The Sails) and observed by the European Southern Observatory's Very Large Telescope. (Image credit: European Southern Observatory)

Usually, stars that are in the same cloud are expected to be about the same age. In the case of nebula RCW 34, however, astronomers can see hydrogen clumping around older stars embedded in the nebula, while hydrogen is less profuse at the outskirts.

This leads astronomers to suspect that there were several bursts of star formation, with the oldest stars in the middle representing the first wave.

"Vast amounts of dust within the nebula block the view of the inner workings of the stellar nursery deeply embedded in these clouds," ESO scientists said in a statement.

The region around the nebula RCW 34 is seen in this amazing view captured by the Digitized Sky Survey 2. The nebula is located in the direction of the southern constellation Vela (The Sails) and is also known as Gum 19. (Image credit: European Southern Observatory/Digitized Sky Survey 2)

"RCW 34 is characterized by extremely high extinction, meaning that almost all of the visible light from this region is absorbed before it reaches Earth," they said. "Despite hiding away from direct view, astronomers can use infrared telescopes to peer through the dust and study the nest of embedded stars."

The hydrogen in the cloud is ionized, meaning that it has been exposed to ultraviolet radiation and the hydrogen's electrons were stripped from the atoms.

Ionized hydrogen is common in star-forming regions. Stars are believed to form from the collapse of vast amounts of gas in a nebula, such as what is seen in the new image.

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Elizabeth Howell
Elizabeth Howell is a contributing writer for who is one of the few Canadian journalists to report regularly on space exploration. She is pursuing a Ph.D. part-time in aerospace sciences (University of North Dakota) after completing an M.Sc. (space studies) at the same institution. She also holds a bachelor of journalism degree from Carleton University. Besides writing, Elizabeth teaches communications at the university and community college level. To see her latest projects, follow Elizabeth on Twitter at @HowellSpace.