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Octo-Tiger rapidly models stellar collisions

Astrophysicists have developed 'Octo-Tiger', a breakthrough astrophysics code to more efficiently model stellar collisions. The code simulates the evolution of self-gravitating and rotating systems of arbitrary geometry using adaptive mesh refinement and a new method to parallelise the code to achieve superior speeds.

Apr 29th, 2021

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Campfires on the Sun

The Solar Orbiter spacecraft detects a surprising number of tiny and bright flares in the gas atmosphere of our star.

Apr 28th, 2021

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The discovery of new millisecond pulsars

Astronomers have discovered 8 millisecond pulsars located within dense clusters of stars, known as globular clusters. Millisecond pulsars are neutron stars, the most compact star known, that spin up to 700 times per second.

Apr 28th, 2021

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A novel optical physics method to measure the expansion of the universe

Researchers are suggesting a new way to use them to measure the expansion of the universe directly. They propose a method called intensity correlation speckles to measure the difference between the redshift - in which light stretches as it travels through an expanding universe, causing its wavelength to elongate - in two paths of light from the same quasar.

Apr 21st, 2021

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