News tagged with background radiation

Universe older than it looks

When astronomers (Bond 2013) first dated the star HD 140283, which lies a mere 190 lightyears from Earth in the constellation of Libra, they were puzzled. This rare, star appeared to be rather ancient and ...

Oct 27, 2014
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Exploring the cosmic X-ray background

You are likely familiar with the cosmic microwave background. This background is a thermal remnant of the big bang. Because of the expansion of the universe, this remnant energy has a temperature of about ...

Sep 12, 2014
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Baby universe picture brought closer to theory

Last year, the Planck Telescope revealed the most detailed picture of the cosmic microwave background, the relic radiation from the Big Bang. But this map contains features that challenge the standard model of cosmology, ...

Aug 04, 2014
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Chernobyl's birds are adapting to ionising radiation

Birds in the exclusion zone around Chernobyl are adapting to – and may even be benefiting from – long-term exposure to radiation, ecologists have found. The study, published in the British Ecological ...

Apr 28, 2014
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Astronomers challenge Cosmological Model

(Phys.org) —Astronomers Professor Chris Collins and Dr Ian McCarthy from LJMU's Astrophysics Research Institute are challenging the view that the currently preferred cosmological model of the Universe is ...

Apr 03, 2014
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Radiation damage at the root of Chernobyl's ecosystems

Radiological damage to microbes near the site of the Chernobyl disaster has slowed the decomposition of fallen leaves and other plant matter in the area, according to a study just published in the journal Oecologia. The resultin ...

Mar 19, 2014
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