“Milky Way’s First Intelligent Civilization?” –Zeroing In On Earth-like Planets

NASA TESS Mission

 

On February 5, 2019, The Galaxy reported that if advanced, space-faring alien life exist anywhere in the Milky Way, odds are they will live in the Galactic Habitable Zone (GHZ). And if they want to explore the Milky Way searching for other life-bearing planets, similar to Earth, they would only have to explore the GHZ, not the whole of the Galaxy.

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“White Dwarf Ghosts” –Tuning In to Dead Exoplanet Radio Waves

White Dwarf Stars

 

Astronomers are planning to hunt for cores of exoplanets around white dwarf stars that have burnt all of their fuel and shed their outer layers, destroying nearby objects and removing the outer layers of planets by ‘tuning in’ to the radio waves that they emit for up to a billion years.

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The Twitter Report –“Seeing Through the Big Bang to Shape-Shifting Cosmos”

ESO Observatories

 

Today’s insights and commentary from the world’s leading scientist’s Twitter and YouTube postings on astronomy, physics, biology, evolution, SETI, cosmology, genetics, and climate change.

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“The Vaporizing Exoplanet” –Hubble Spies Sizzling Football-Shaped Object

Super Hot Jupiter Exoplanet

 

The scorching hot exoplanet “hot Jupiter, WASP-121b, with an upper atmosphere reaching a blazing 4,600 degrees Fahrenheit, is sending heavy metals such as iron and magnesium into space. The distant planet’s atmosphere is so hot that metal is vaporizing and escaping the planet’s gravitational pull. The intense gravity of the planet’s host star has also deformed the sizzling planet into a football shape.

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Dwarf Star –“Hosts First Nearby Super-Earth that Could Harbor Life”

Super Earth Exoplanet

 

“This is exciting, as this is humanity’s first nearby super-Earth that could harbor life – uncovered with help from TESS, our small, mighty mission with a huge reach.” said Lisa Kaltenegger, director of Cornell’s Carl Sagan Institute.

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“Extremely Extreme Life” –Planets Orbiting Milky Way’s Pulsars & Supermassive Black Hole

Pulsar Crab Nebula

 

We have known since the 1990s that planets exist around pulsars, says Harvard’s chief astronomer, Avi Loeb, which are extraordinarily dense objects born out of the violent explosions of stars. It’s reasonable to assume that planets might also exist around black holes, which, perhaps surprisingly, have a much weaker impact on their environment than pulsars.

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