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The formation of stars is still one of the great questions of astronomy.
This raises the question: where is this gas coming from? If it can't be coming from intergalactic space, then there must be some other explanation. "The other big potential theory is that the gas rather than flowing smoothly into the galaxies is accreted through clumps or small, almost mini galaxies that are Converse All Star Shoes For Girls Printed
gas continually falling in."
Andy says this theory has the advantage of fitting better into the modern Universe as these clumps or dwarf galaxies are found today. The violent nature of a dwarf galaxy being merged with a large one may also explain the increased turbulence the team has observed.
The research is published today in the journal Nature, where an image of the gallery features on the cover.
more physically turbulent than our own relatively quiet neighbourhood, the scientsists say. They are found around one billion light years from Earth, and although this means the events observed occurred one billion years Converse Grey And White in the past, they are considered relatively recent in the nearly 14 billion year old Universe.
galaxy stuns astronomers
But the new discovery means that star formation
available anymore, as most of it should have already been swept up into
A TEAM OF AUSTRALIAN scientists has discovered a type of galaxy thought to be long gone in the Universe, shaking up existing theories on star formation. Swinburne University astronomy student Andy Green, his supervisor Professor Karl Glazebrook and their colleagues made the discovery using two telescopes at the Siding Springs observatory in NSW.
Stars are formed when large clouds of gas collapse under the weight of their own gravity and astronomers had proposed, says Karl, that "the extremely
Where does the gas come from?
other galaxies," Andy says.
must have occurred any another means. "The problem now is that these galaxies we have White Converse Shoes Sale Uk
The galaxies are similar to our own Milky Way, in their spiral disc like shape, yet are in the process of forming far more stars, around 100 per year compared to just one per year in our galaxy. These galaxies are also far Black Converse White Laces
observed are in the
modern Universe, where we don't expect that primordial gas to be
mechanism that could exist only in the early Universe cold streams of
fast star formation in those ancient galaxies was fuelled by a special
"We didn't think these galaxies existed. We've found they do, but they are extremely rare," says Karl. Galaxies like these have been seen before in the early Universe, around
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