“Unknown Dark Energy”– A Fifth Force or New Form of Matter?

Whirlpool Galaxy Dark Energy

 

An experiment to test a popular theory that dark energy –the unknown force that is causing the universe to expand at an accelerating rate– is a ‘fifth’ force that acts on matter has found no evidence of its existence. “The discovery of dark energy has greatly changed how we think about the laws of nature,” said Edward Witten,  one of the world’s leading theoretical physicist at the Institute for Advanced Study in Princeton, N.J. who has been compared to Newton and Einstein.

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Last Week’s Top 5 Space & Science Headlines –“Galaxy-Size Black Hole to First Intelligent Species”

ESO Observatories

 

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“Devoured” –Was It a Bizarre Black Hole or a Neutron Star?

NASA: Black Hole Devouring a Star

 

Astronomers are confident that they’ve just detected the first black hole gobbling up a neutron star, with one slight but intriguing possibility that the swallowed object was a very light black hole—”much lighter than any other black hole we know about in the Universe.”

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“Intergalactic Pinball” — Millions of Strange, Jupiter-Sized Objects Lurking in the Milky Way

Milky Way's Supermassive Black Hole

 

There could be millions of strange Jupiter-sized, almost-planets in the Milky Way created by the monster black hole that lurks at its center, says UCLA’s Andrea Ghez, an expert on our galaxy’s central black hole, Sagittarius A*. “Still more could be interlopers from our neighboring galaxies, punted into space by their central black holes in an epic game of intergalactic pinball.”

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Carl Sagan Foreshadows USA 2019

Dark Energy Survey

 

“The dumbing down of American is most evident in the slow decay of substantive content in the enormously influential media, the 30 second sound bites (now down to 10 seconds or less), lowest common denominator programming, credulous presentations on pseudoscience and superstition, but especially a kind of celebration of ignorance,” ― Carl Sagan, 1995, The Demon-Haunted World: Science as a Candle in the Dark

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Planet Earth Report –“The Conscious Universe to Human Endurance Limit Found”

Earth from the ISS

 

The “Planet Earth Report” connects you to headline news on the science, technology, discoveries, people and events changing our planet and the future of the human species.

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