Japanese astrophysicists suggest possibility of hidden planet in the Kuiper Belt (phys.org)

A pair of astrophysicists, one with Kindai University, the other the National Astronomical Observatory of Japan, both in Japan, have found possible evidence of an Earth-like planet residing in the Kuiper Belt. In their paper published in The Astronomical Journal, Patryk Sofia Lykawka and Takashi Ito describe properties of the...

planetju, (edited ) to random
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A relatively recent comment asks if astrobiology is serious science.
https://www.nature.com/articles/s41550-023-02165-9

Unfortunately the main text is hiding behind a paywall so not accessible to everyone but the short summary is: yes it is.
As somebody working in an astrobiology research group, I am more intrigued why this still seems to be a question that needs to be addressed.

What do you think?

mrak, to random
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We are pleased to announce that account sign-ups on solarsystem.social are now open !!!

Solar System Social is a new Mastodon instance for the planetary science community.

Any professional working in the field of is welcome to join. If you are a student, postdoc, researcher, engineer, administrator, institution, society, community, academic journal, journalist, science educator, or science promoter, we would be pleased to welcome you to our community!

spaceflight, to random

📆 July 29, 2022 🛰️ " turns into of some importance to the , then it will compete with, if not be larger, than the side. have all these , and we have no idea of what their with the will be." https://www.scientificamerican.com/article/don-rsquo-t-fear-china-rsquo-s-falling-rocket-mdash-fear-the-future-it-foretells

alan, to voyager
@alan@subdued.social avatar

I must admit, this news about #Uranus and #Neptune has me shook:

"A fresh analysis of Voyager 2's images show both ice giants are in fact a similar shade of greenish blue, which is the 'most accurate representation yet' of the planets' colors, the new study finds."

https://www.space.com/uranus-neptune-similar-shades-of-blue-voyager-2-images

#Voyager #Voyager2 #NASA #color #green #blue #cyan #azure #space #astrodon #PlanetaryScience #IceGiant #SolarSystem

crawfordsm, to Astro
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The new Science Explorer (SciX) launches today! This provides search over publications related to Earth and Space Science. It builds on the Astrophysics Data Service to expand similar services of discovery to Earth, Planetary, Heliophysics and Space-based biological and physics sciences.

https://scixplorer.org/

ufofeed, to Cosmology
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ufofeed, to Cosmology
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thomas_appere, to space French
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Les paysages qui entourent Perseverance sont vraiment majestueux ces temps-ci. Le rover remonte le lit asséché de la rivière Neretva, qui perce le rempart du cratère Jezero, rempart qu'on voit ici en arrière-plan. Il s'élève à plusieurs centaines de mètres de haut !
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ufofeed, to Cosmology
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ufofeed, to Cosmology
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SciXCommunity, to random
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Don't forget to visit Carolyn Grant today at booth 649 or at poster SH33C-3072 today (2:10-6:30pm) to learn how the new NASA Science Explorer (SciX) accelerates research exploration across , , , & . s.si.edu/3RDxfdB

ufofeed, to Cosmology
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ufofeed, to Cosmology
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ufofeed, to Cosmology
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byteseu, to Cosmology
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A composite photo of the sun and aurora 24 hours apart. captured from my backyard and Manitoba, Canada: The cause and effect of space weather. [OC] https://www.byteseu.com/119221/

ufofeed, to Cosmology
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https://www.ufofeed.com/21528/asteroid-dust-caused-15-year-winter-that-killed-dinosaurs-study-fine-silicate-dust-from-pulverized-rock-would-have-stayed-in-the-atmosphere-for-15-years-dropping-global-temperatures-by-up-to-15-deg/ Asteroid dust caused 15-year winter that killed dinosaurs: Study. Fine silicate dust from pulverized rock would have stayed in the atmosphere for 15 years, dropping global temperatures by up to 15 degrees Celsius, researchers said in a study in the journal Nature Geoscience

ufofeed, to Cosmology
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ufofeed, to Cosmology
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ufofeed, to Cosmology
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ufofeed, to Cosmology
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ufofeed, to Cosmology
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