Astrophysics — Entidade

thedebrief.org·há 19 dias

Researchers May Have Solved a Two-Thousand-Year-Old Stellar Mystery Recorded by Ancient Astronomers

New study suggests Theta Eridani stayed unusually bright for 1,000 years, helping solve a 2,000-year stellar mystery.

thedebrief.org·há cerca de 1 mês

Breakthrough Study Uncovers New Evidence Connecting “Hidden” Dimensions to Mystery of Dark Matter

New research is revealing possible links between one of the most enduring cosmic mysteries—dark matter—and the existence of a "hidden" fifth dimension.

backreaction.blogspot.com·há cerca de 1 mês

Mathematicians Explain The Universe’s Expansion Without Dark Matter

About 25 years ago, astrophysicists noticed that the universe’s expansion is accelerating. To account for this observation, physicists came up with a new type of energy – called dark energy – which su

backreaction.blogspot.com·há cerca de 1 mês

Our Solar System Lost Two Planets

A new, computer-based calculation shows that our solar system used to have 5 or 6, rather than 4 gas giants. It seems that, billions of years ago, we lost two planets due to an instability that probab

backreaction.blogspot.com·há cerca de 2 meses

The Biggest Argument for Dark Matter Just Died

Physicists have been arguing about dark matter for almost a century, and now, after all this time, their most favourite evidence for dark matter – the Bullet Cluster – disappeared. This isn’t just an

backreaction.blogspot.com·há cerca de 2 meses

Controversy Erupts over Expansion of Universe: Nobel Prize Awarded in Error?

In 2011, three physicists won the Nobel Prize for showing that the expansion of the universe speeds up, which is usually attributed to aa mysterious type of energy called “dark energy”. But last year,

backreaction.blogspot.com·há 2 meses

Physicists Are Rethinking Dark Matter… In The Wrong Way.

Physicists believe that 80% of the matter in the universe is made of ‘dark matter’ that we can’t see. But despite decades of work, they haven’t been able to confirm that this matter really exists. In

backreaction.blogspot.com·há 2 meses

This Giant Ring In Space Poses A Massive Problem For Cosmology

Scientists say that they’ve just detected a massive cloud of gas some 3 billion lightyears in diameter, floating in space roughly 7 billion light years away from us. This is pretty cool, but the probl