Hubble Finds Vast Reservoir of Gas Near Milky Way

In summary, the Milky Way has been facing a gas shortage that would limit its ability to create new stars in the future. However, a recent discovery has revealed that a stream of gas falling into the galaxy is actually four times larger than previously thought. This could potentially provide enough fuel for the Milky Way to continue creating stars for a significant amount of time. This study has been praised by leading astronomers as it offers surprising results and includes a stunning image of the Magellanic Stream.
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by Dr. Ken Croswell, author of The Alchemy of the Heavens

The Milky Way may have found a solution to its gas shortage. Astronomers had calculated that our home galaxy possesses only enough fuel to forge new stars for just a few billion more years. But scientists have now discovered that a long stream of gas falling into the Milky Way is four times as massive as previously thought and could power our galaxy's starmaking career for a long time to come.

"It's a very beautiful study with surprising results," says a leading astronomer who was not part of the project.

Full story is at ScienceNOW and includes an outstanding image of the Magellanic Stream.
 
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Well, someone's a bit gassy...
 

What is the significance of Hubble's discovery of a vast reservoir of gas near the Milky Way?

The discovery of a vast reservoir of gas near the Milky Way is significant because it provides insight into the formation and evolution of our galaxy. This gas may have played a crucial role in the formation of stars and planets within the Milky Way.

Where exactly is this gas reservoir located?

The gas reservoir is located in the outskirts of the Milky Way, about 65,000 light-years away from the center of the galaxy. It is spread out in a large halo around the galaxy, extending much further than previously thought.

How was this gas reservoir detected?

Hubble used its Cosmic Origins Spectrograph to detect the signature of oxygen in the gas reservoir. This allowed scientists to estimate the amount of gas present and its distance from the Milky Way.

What is the composition of this gas reservoir?

The gas reservoir is primarily composed of ionized hydrogen and oxygen gas. This is similar to the composition of the interstellar medium in our galaxy, suggesting that this gas may have originated from within the Milky Way.

What implications does this discovery have for future research?

This discovery opens up new opportunities for further research on the evolution of our galaxy. Scientists can now study the properties and dynamics of this gas reservoir to better understand the formation of the Milky Way and other galaxies in the universe.

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