“Key to Understanding the Universe” –The Strange Story of Galaxies Missing Dark Matter (Weekend Feature)

Dark Matter

 

“Dark matter holds the key to understanding the universe,” says astrophysicist Paul Davies. ”After the big bang that created the universe 13.7 billion years ago, matter was spread smoothly through space, but aided by the gravitating power of the dark component, ordinary matter was drawn into clumps, which later evolved into galaxies that spawned stars, planets and, in one case at least that we know of, life.”

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The Galaxy Report –“Extremely Boring Aliens to The Doctor Carl Sagan Warned Us About” (Weekend Feature)

The Galaxy Report

 

Welcome to this week’s fix of news of space and science –a random journey from Planet Earth through the Cosmos– that has the capacity to provide clues to our existence and add a much needed cosmic perspective in our current epoch.

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“Beyond the Edge of the Milky Way” –Dark Energy Probe Hints at an Enormous Invisible Halo of Dark Matter

Galaxy NGC 474

 

One early result of the ongoing Dark Energy Survey is the previously untold story revealed by old, giant RR Lyrae pulsating stars, which tell scientists about the region of space beyond the edge of our Milky Way. In this area nearly devoid of stars–the motion of the RR Lyrae stars hints at the presence of an enormous halo of invisible dark matter, which may provide clues to how our galaxy evolved over the last 12 billion years.

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The Galaxy Report –“Humans are Latecomers as a Technological Species to Unexplained Circles in Space”

The Galaxy Report

 

Welcome to our new weekly newsletter, bringing you exclusive, weekly insights and summaries of the discoveries, people and events that are changing our knowledge of the Universe and the future of the human species, including a weekly feature news story that has the capacity to provide clues to the mystery of our existence and add a much needed cosmic perspective in our current epoch.

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“Sent By an Alien World?” –Extraterrestrial Object Visited Our Solar System in 2017

 

Extraterrestrial Objects

 

“The idea of the existence of advanced extraterrestrial life is no more speculative than extra dimensions or dark matter. It fact, he says, it is less so,” says Harvard astrophysicist, Avi Loeb.

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Ripples in Spacetime –“Carry Clues to the Enigma of Our Rapidly Expanding Universe”

Galaxy Clusters

 

Following the inflationary epoch after the singularity of the Big Bang, the universe continued to expand, but at a slower rate. The acceleration of the expansion due to dark energy began after the universe was already over nine billion years old (four billion years ago). The weakest of the Standard Model forces, gravity, may provide the solution to this unsolved enigma –the cosmic elephant in the room–in astronomy.

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