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Are black holes and dark matter the same?

Proposing an alternative model for how the universe came to be, a team of astrophysicists suggests that all black holes - from those as tiny as a pin head to those covering billions of miles - were created instantly after the Big Bang and account for all dark matter.

Dec 20th, 2021

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Scientists predict the rotation periods of stars

A new study features a method of deriving the rotation periods of stars from just one observation of the stellar activity rather than repeated observations over several weeks which are needed to directly measure the rotation period. The method has possible implications for the determination of the ages of stars.

Dec 16th, 2021

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Stellar 'ashfall' could help distant planets grow

The world's first 3D simulation simultaneously considering dust motion and growth in a disk around a young star has shown that large dust from the central region can be entrained by and then ejected by gas outflows, and eventually fall back onto the outer regions of the disk where it may enable planetesimal formation.

Dec 14th, 2021

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Einstein wins again

The theory of general relativity passes a range of precise tests set by pair of extreme stars.

Dec 13th, 2021

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You can help scientists study the Sun

If you ever wanted to be an astronomer, now is your chance. A new citizen science project allows volunteers to play an important role in learning more about the Sun by using their personal computers.

Dec 9th, 2021

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Machine Learning decodes the tremors of the Universe

Researchers trained a neural network to estimate - in just a few seconds - the precise characteristics of merging black holes based on their gravitational-wave emissions. The network determines the masses and spins of the black holes, where in the sky, at what angle, and how far away from Earth the merger took place.

Dec 9th, 2021

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Star's self destruction is shown in 3D, revealing new details

A 1,000-year-old supernova has been captured in 3D images that reveal yet unseen details of the elements that are ejected when a star explodes. Analysis of data from the Multi-Unit Spectroscopic Explorer (MUSE) and X-shooter at the European Southern Observatory's (ESO) Very Large Telescope (VLT), offers new insights into how stars self-destruct.

Dec 8th, 2021

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