Scientists Unmask Hundreds Of Galaxies Shrouded In The Milky Way's Dust

Step inside the Zone of Avoidance, if you dare.

Astronomers have peered through of the fog of the Milky Way to discover hundreds of previously hidden galaxies. 

The dust and stars of our Milky Way had obstructed the view of these galaxies from Earth. Scientists knew of cosmic objects in the region, but our inability to observe them with optical telescopes led to the area becoming known as the Zone of Avoidance.

Using radio telescope technology capable of passing through the Milky Way, researchers at the International Centre for Radio Astronomy Research located 883 galaxies -- a third of which had never been seen before. And they're just 250 million light years from Earth, which is pretty close, astronomically speaking.

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This image shows how radio waves are able to pass through the obstructions in our Milky Way galaxy.
ICRAR

“The Milky Way is very beautiful, of course, and it’s very interesting to study our own galaxy, but it completely blocks out the view of the more distant galaxies behind it,” said lead researcher Lister Staveley-Smith, from The University of Western Australia. 

Researchers hope that the discovery will help explain what's known as the Great Attractor region, an area "which appears to be drawing the Milky Way and hundreds of thousands of other galaxies towards it with a gravitational force equivalent to a million billion Suns," they said in a statement.

Scientists from Australia, South Africa, the U.S. and the Netherlands contributed to the findings, published Tuesday in the Astronomical Journal.

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An artist’s interpretation of the galaxies located in the "Zone of Avoidance."
ICRAR

 

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7 Space Facts That Will Make You Feel Small
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The Milky Way is a huge city of stars, so big that even at the speed of light (which is fast!), it would take 100,000 years to travel across it. (credit:NASA/Tumblr)
(02 of06)
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Roughly 70 percent of the universe is made of dark energy. Dark matter makes up about 25 percent. The rest -- everything on Earth, everything ever observed with all of our instruments, all normal matter -- adds up to less than 5 percent of the universe. (credit:NASA/Tumblr)
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If the sun were as tall as a typical front door, Earth would be the size of a nickel. (credit:NASA/Tumblr)
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The sun accounts for almost all of the mass in our solar system, leaving 0.2 percent for all the planets and everything else. (credit:NASA/Tumblr)
(05 of06)
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Edwin Hubble discovered that the universe is expanding and that at one point in time (14 billion years ago) the universe was all collected in just one point of space. (credit:NASA/Tumblr)
(06 of06)
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Four American spacecraft are headed out of our solar system to what scientists call interstellar space. Voyager 1 is the farthest out -- more than 11 billion miles from our sun. It was the first man-made object to leave our solar system.

Voyager 2 is speeding along at more than 39,000 mph, but will take more than 296,000 years to pass Sirius, the brightest star in our night sky.
(credit:NASA/Tumblr)

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