News tagged with nuclei

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Revealing secrets of atomic nuclei

Individual protons and neutrons in atomic nuclei turn out not to behave according to the predictions made by existing theoretical models. This surprising conclusion, reached by an international team of physicists ...

Jan 21, 2015
5 / 5 (23) 12

Ultra-luminous X-ray sources in starburst galaxies

Ultra-luminous X-ray sources (ULXs) are point sources in the sky that are so bright in X-rays that each emits more radiation than a million suns emit at all wavelengths. ULXs are rare. Most galaxies (including ...

Dec 22, 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
4.9 / 5 (7) 0

DRAGNs in the sky

A radio galaxy is a galaxy that emits large amounts of radio waves. They were first discovered in the 1950s, but it wasn't until the 1960s when a technique known as aperture synthesis was developed that we ...

Sep 09, 2014
4.3 / 5 (11) 1