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'Multiverse' theory suggested by microwave background

The idea that other universes - as well as our own - lie within "bubbles" of space and time has received a boost. Studies of the low-temperature glow left from the Big Bang suggest that several of these "bubble universes" may have left marks on our own.

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'Space blob' baffles astronomers

It might not look like much, but this image represents one of the most distant objects astronomers have ever seen, 12.9 billion light years away. It is a "Lyman-alpha blob" and is 55,000 light years across - as large as present-day galaxies.

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Alma telescope begins study of cosmic dawn

One of the 21st Century's grand scientific undertakings has begun its quest to view the "Cosmic Dawn". The Atacama large milllimetre/submillimetre array (Alma) in Chile is the largest, most complex telescope ever built.

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Antihydrogen undergoes its first-ever measurement

The antimatter version of the hydrogen atom - antihydrogen - could soon finally give up its secrets. Scientists expect that antihydrogen will have exactly the same properties as hydrogen; but after 80 years, the test is only just becoming possible.

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Cosmic distance record 'broken'

A cataclysmic explosion of a huge star near the edge of the observable Universe may be the most distant single object yet spied by a telescope.Scientists believe the blast, which was detected by Nasa's Swift space observatory, occurred a mere 520 million years after the Big Bang.

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Cosmos may show echoes of events before Big Bang

Evidence of events that happened before the Big Bang can be seen in the glow of microwave radiation that fills the Universe, scientists have asserted. Renowned cosmologist Roger Penrose said that analysis of this cosmic microwave background showed echoes of previous Big Bang-like events.

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Dark discussion ahead for Europe and US

It couldn't have been planned better.

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Dark energy and flat Universe exposed by simple method

Researchers have developed a simple technique that adds evidence to the theory that the Universe is flat. Moreover, the method - developed by revisiting a 30-year-old idea - confirms that "dark energy" makes up nearly three-quarters of the Universe.

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Dark matter hunt eyes deeper home

Scientists are looking to relocate an underground experiment searching for dark matter to an even deeper site. Cosmic rays striking the Earth could completely mask the rare dark matter events sought by the experiment.

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Dark matter may solve 'radio filaments' mystery

Unexplained "filaments" of radio-wave emission close to our galaxy's centre may hold proof of the existence of dark matter, researchers have said. Dark matter is believed to make up most of the mass of our Universe, but it has yet to be definitively spotted.

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Dark matter theory challenged by gassy galaxies result

Instead of invoking dark matter, the Modified Newtonian Dynamics theory says that the effects of gravity change in places where its pull is very low. The new paper suggests that Mond better predicts the relationship between gassy galaxies' rotation speeds and masses.

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Dark matter tracks could give earliest view of Universe

Researchers have come up with a way to glimpse the infant Universe by decoding the earliest ripples in its light. They say this can be achieved by capturing the specific radio wavelength of 21cm from the heavens.

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Dwarf galaxies suggest dark matter theory may be wrong

Scientists' predictions about the mysterious dark matter purported to make up most of the mass of the Universe may have to be revised. Research on dwarf galaxies suggests they cannot form in the way they do if dark matter exists in the form that the most common model requires it to.

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Fermi gamma-ray image updates 'extreme Universe' view

The Fermi space telescope has yielded the most detailed gamma ray map of the sky - representing the Universe's most violent and extreme processes. The telescope's newest results, as well as the map, were described at the Third Fermi Symposium in Rome this week.

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TEDx Brussels 2010 - Frank Tipler - The Ultimate Future

Tulane physicist Frank Tipler committed professional heresy by publishing The Physics of Immortality, a book in which he used the scientific method and the principles of modern physics to lay out what he called a proof for not only the existence of God, but for the resurrection of the dead as descri

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Ghana text hoax predicting earthquake prompts panic

False rumours of an impending earthquake caused fear and panic in Ghana overnight, prompting many people to sleep outside. The rumour began on Sunday night with a text message quoting US space agency Nasa and the BBC as saying that "cosmic rays" were to hit the Earth.

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Hints of 'time before Big Bang'

A team of physicists has claimed that our view of the early Universe may contain the signature of a time before the Big Bang. The discovery comes from studying the cosmic microwave background (CMB), light emitted when the Universe was just 400,000 years old.

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Hubble's role in search for aliens

The powerful vision of the Hubble Telescope - which turns 20 this week - has expanded our cosmic horizons and brought into sharper focus a new set of mysteries about the universe that is our home. To those whose science is gleaned from the media, astronomy may seem to be on a roll. And it is.

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LHC researchers 'set to create a mini-Big Bang'

Researchers at the Large Hadron Collider (LHC) are getting set to create the Big Bang on a miniature scale. Since 2009, the world's highest-energy particle accelerator has been smashing together protons, in a bid to shed light on the fundamental nature of matter.

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Meteorites 'could have carried nitrogen to Earth'

A meteorite found in Antarctica could lend weight to the argument that life on Earth might have been kick-started from space, scientists are claiming.Chemical analysis of the meteorite shows it to be rich in the gas ammonia.

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