Recent Entries

Planet Earth Report –“Earth is Getting Bigger to Greenland’s Vanishing Lakes”

 

Earth from 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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“Unique in Our Solar System” –Physics of Enceladus’s Perpetually Erupting Ocean Fissures

Enceladus Tiger Stripes

 

NASA’s Cassini mission to Saturn observed surface fissures on Enceladus unique in our Solar System perpetually erupting with water ice from its global subsurface ocean that appear as parallel, evenly spaced “stripes” that are some 130 kilometers long and 35 kilometers apart.

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Last Week’s Top 5 Space & Science Headlines –“Biology’s Hubble Telescope to New Object at Far Side of the Milky Way”

 

ESO Observatories Chile

 

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“Squeezing Spacetime” –LIGO Researchers End-Run Nature to Detect Gravitational Waves

Gravitational Wave Noise

 

Intrepid researchers at MIT and Caltech have done what was thought impossible: an end run around nature. They have finessed spooky quantum vacuum –the ground state of energy for the Universe and the source of all potentiality– without violating the laws of nature that will allow the Laser Interferometer Gravitational-wave Observatory (LIGO) to detect ghostly signals, the whispers of gravitational waves, ripples in spacetime at the quantum level, with weekly frequency.

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“Strange, Undetected Supermassive Objects” — May Exist At the Heart of Galaxies

Supermassive black hole

 

Could there be as yet unknown supermassive objects lurking at the hearts of galaxies other than black holes? An object so strange that it has managed to avoid gravitational collapse to form a singularity, the smallest object in the universe in an infinitely Planck-scale  space? Where density and gravity become infinite and space-time curves infinitely, and where the laws of physics as we know them cease to operate?

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“It Sparkles” –NASA Cracks Code of Asteroid Bennu’s Particles

Bennu Asteroid

 

“Among Bennu’s many surprises, the particle ejections sparked our curiosity, and we’ve spent the last several months investigating this mystery,” said Dante Lauretta, OSIRIS-REx principal investigator at the University of Arizona about the objects active discharging of particles into space. “This is a great opportunity to expand our knowledge of how asteroids behave.”

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“Stranger Than Imagined” –Weird Dynamics of Earth’s Star

 

NASA Parker Probe

 

Since it’s launch in 2018, NASA’s Parker Solar Probe has returned unprecedented data from near the Sun, culminating in new discoveries published on Dec. 4, 2019, in the journal Nature revealing that the dynamics of our star are even stranger than once imagined.

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“Fate of Our Solar System” –Giant Planet Found Orbiting Dying White Dwarf Star

 

White Dwarf Planet

 

“It was one of those chance discoveries,” says astrophysicist Boris Gänsicke, from the University of Warwick , about the finding by  researchers using ESO’s Very Large Telescope of the first evidence of a giant planet associated with a white dwarf star. The planet orbits the hot white dwarf, the remnant of a Sun-like star, at close range, causing its atmosphere to be stripped away and form a disc of gas around the star. This unique system hints at what our own Solar System might look like in the distant future.

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