News tagged with type ia supernovae

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Cosmology looks beyond the standard model

What are the mysterious dark matter and dark energy that seem to account for so much of our Universe? Why is the Universe expanding? For the past 30 years, most cosmologists have looked to the 'standard model' to answer ...

dateJul 08, 2015 in Astronomy
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Exiled stars explode far from home

Sharp images obtained by the Hubble Space Telescope confirm that three supernovae discovered several years ago exploded in the dark emptiness of intergalactic space, having been flung from their home galaxies millions or ...

dateJun 04, 2015 in Astronomy
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Accelerating universe? Not so fast

A University of Arizona-led team of astronomers found that the type of supernovae commonly used to measure distances in the universe fall into distinct populations not recognized before; the findings have implications for ...

dateApr 10, 2015 in Astronomy
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Stars with the chemical clock on hold

An international team of astrophysicists, led by Cristina Chiappini from the Leibniz Institute for Astrophysics Potsdam, has discovered a group of red giant stars for which the 'chemical clock' does not work: according to ...

dateApr 10, 2015 in Astronomy
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