Friday, December 24, 2021

Astronomers discover largest group of ‘rogue planets’ yet - The Verge

Astronomers just discovered a treasure trove of "rogue planets" — free-floating planets that don't orbit a star but exist all by their lonesome in the depths of space.

Located within the Scorpius and Ophiuchus constellations, the planets were spotted using a suite of telescopes on both the ground and in space. Typically, rogue planets are difficult to image because they aren't close to any stars to make them visible.

Publisher: The Verge
Date: 2021-12-23T13:39:26-05:00
Author: Jasmine Hicks
Twitter: @verge
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Astronomers discover dozens of rogue planets - Hawaii Tribune-Herald

Astronomers using Maunakea observatories have discovered at least 70 planets within our galaxy that do not orbit a star.

A team of astronomers from the Laboratoire d’Astrophysique de Bordeaux in France and the University of Vienna, in Austria, used data collected from several telescopes around the world, including two on Maunakea, to locate the rogue planets throughout the Milky Way.

Publisher: Hawaii Tribune-Herald
Date: 2021-12-24T10:05:00 00:00
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Atmospheres of Small Planets Through a Big Telescope | astrobites

Title: Detecting Biosignatures in the Atmospheres of Gas Dwarf Planets with the James Webb Space Telescope

Authors: Caprice Phillips, Ji Wang, Sarah Kendrew, Thomas P. Greene, Renyu Hu, Jeff Valenti, Wendy R. Panero, Joseph Schulze

… because the latest “Great Observatory” is set to be launched into space this week! The space telescope known as JWST has become infamous amongst space professionals for long and frequent delays in its deployment since its conception in 1996 .

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Publisher: astrobites
Date: 2021-12-22T08:51:04-05:00
Author: Luna Zagorac
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The Vineyard Gazette - Martha's Vineyard News | Four Planets

Four of the visible planets, Jupiter, Saturn, Venus and Mercury, will appear together in the southwestern skies a short time after sunset.

We've been watching Venus, the brightest of them all for weeks. Jupiter is the second brightest and appears above and to the left of Venus. Look in between Venus and Jupiter for the bright planet Saturn.

Publisher: The Vineyard Gazette - Martha's Vineyard News
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Lost In Space: Rocky Planets Formed From Missing Solar System Material – YubaNet

Rocky planets may have formed by two fundamentally different processes, but it is unclear which one built the terrestrial planets of our solar system.

In the new research, the team showed that the isotopic compositions of Earth and Mars predominantly result from the accretion of planetary bodies from the inner solar system, including material from the innermost disk unsampled by meteorites, with only a few percentages of a planet's mass coming

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Publisher: YubaNet
Date: 2021-12-23T16:24:07 00:00
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Skywatch: Planets, eclipses, and meteor showers in the New Year | Outdoors | magicvalley.com

Venus, the blazing "Evening Star," is poised to pass between the sun and earth, vanishing from view after Christmas, and becoming the "Morning Star" by mid-January.

Jupiter (currently in the south after sunset) has a twelve year orbit, so each year it slips about one zodiac sign to the east. That means it will be lost in the sun's glare about a month later than it was the previous year.

Publisher: Twin Falls Times-News
Date: CHRIS ANDERSON For the Times-News
Author: CHRIS ANDERSON For the Times News
Twitter: @twinfallstn
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Strange New Worlds: The Weirdest Planets Discovered in Our Universe - IGN

Scientists have been exploring the evolution of our universe for decades, trying to gain a better understanding of the cosmic phenomenon exhibited by the celestial bodies that occupy space.

With thousands of confirmed exoplanets and discoveries growing rapidly, it's safe to say the universe's planet portfolio is packed with some weird and wonderful entries.

Publisher: IGN
Date: 2021-11-01T20:25:42 00:00
Author: Adele Ankers
Twitter: @IGN
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Towards a Classification Scheme for the Rocky Planets based on Equilibrium Thermodynamic


Free energy as a function of the order parameter driven only by astronomical, geophysical and internal dynamics expressed in terms of the variable η = (A, G, I). The Earth-like Holocene stability is associated with the phase hψi = 0, for which η > 0.

Three major equilibrium states can be identified and the associated planetary states or phases are: Earth-like Holocene state; hot Venus-like state; cold Mars-like state.

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Why Superman's People Didn't Colonize Planets Beyond Krypton

Depictions of Superman's homeworld of Krypton have varied wildly over the years, and in one version, Kryptonians were kept from colonizing the rest of the galaxy thanks to a genetic alteration made to the species by a being called the Eradicato r , a being who would go on to a play a

Publisher: ScreenRant
Date: 2021-12-24T15:18:56Z
Twitter: @screenrant
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