#SPACE/PLANETARY SCIENCE
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theofficialastronomy101 · 4 months ago
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Clearest Image ever taken of Mars’ North Pole. Yes that’s water ice.
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amnhnyc · 1 month ago
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Did you know? Uranus is four times wider than planet Earth. And on this day in history in 1781, it was discovered by British astronomer William Herschel. He was using his telescope when he noticed an object in the sky. He thought it to be a star or comet, but within two years, other astronomers showed it was a new planet orbiting the Sun! Uranus, the third largest planet in our solar system, appears blue due to the methane in its atmosphere.
Fun fact: One Uranian year (a complete rotation around the Sun) takes about 84 Earth years to complete.
Image: NASA / Orange-kun, CC0, Wikimedia Commons (artist rendering)
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whirligig-girl · 2 months ago
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My interpretation of Chris Wayan's Planetocopia, a set of alien worlds that test the limits of planetary habitablity (and also, as it happens, alien furry design.)
Planetocopia can be found here.
The planetary science based design of Planetocopia has been a huge influence on my planet-scale worldbuilding style ever since I learned of it probably close to a decade ago.
These drawings were mostly done by projecting the planet maps onto an orthographic projection and then tracing the coastlines, with all other features done manually, but some of them were traced from the photos of the physical globe models, and Kakalea, Xanadu, and Serrana were done freehanded.
Cloudless version below the cut.
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mindblowingscience · 6 months ago
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NASA has launched the Europa Clipper spacecraft on an almost 10-year mission to learn whether conditions on Jupiter’s moon could sustain life in what scientists believe could be a deep ocean hidden beneath its icy surface. The spacecraft, which is supposed to travel 3 billion kilometres (1.8 billion miles), was launched on Monday on board SpaceX’s Falcon Heavy rocket from a NASA facility on Florida’s east coast.
Continue Reading.
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belovedapollo · 1 year ago
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child of the universe, lost in space and time, only a fragment of light, made of stardust ⭐️ reblog is ok, don’t repost/use
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big-low-t · 6 months ago
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Bob Eggleton
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thepastisalreadywritten · 3 months ago
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🔭
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moodymishhty · 8 months ago
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Space/Astronomy Mood board
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typhlonectes · 1 year ago
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Dwarf planet Eris is ‘squishier’ than expected
University of California, Santa Cruz Professor of Planetary Sciences Francis Nimmo recently co-authored a Science Advances paper about the internal structure of the dwarf planet Eris. Eris is about the size of Pluto but around 50% farther from the sun. The discovery of Eris in the Kuiper Belt beyond Neptune in 2005 prompted the debate that ultimately reclassified Pluto as a dwarf planet. It was an interest in Pluto that drew UC Santa Cruz researcher Francis Nimmo to study Eris. Nimmo was visiting Michael Brown—one of the discoverers of Eris—at the California Institute of Technology about six months ago and realized some of Brown’s new, unpublished data could help reveal information about the properties of Eris. The two worked on models for the next several months and published their results in a Science Advances paper. Two main pieces of information led to their results. The first important clue is that Eris and its moon, Dysnomia, always face the same way toward each other. The main, unexpected result of Nimmo and Brown’s model is that Eris is surprisingly dissipative, or “squishy”...
Read more: https://charmingscience.com/dwarf-planet-eris-is-squishier-than-expected/
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theofficialastronomy101 · 1 year ago
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(NEW UPDATE WITH PHOTOS) Send us your best photos!
Absolutely beautiful! I hope everyone took this in! Makes you think just how small we are. A moment the world comes together as one! That’s true humanity . We will be uploading more amazing photos to this same post. So come back later on and check out our 2024 once in a lifetime eclipse photos.
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amnhnyc · 8 months ago
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When the Hayden Planetarium opened in October 1935, it was only the fourth planetarium in the United States. Nearly a century later, the Museum is still bringing audiences the latest science about our cosmos. Visit the Hayden Planetarium and the Rose Center for Earth and Space to learn about the 13-billion-year history of the universe!
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whirligig-girl · 2 months ago
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Family portrait of the Zwo-nmu planetary system (the system to which Gymnome--Eaurp Guz's homeworld and the setting of train puzzle dot exe (title pending)--belongs).
Labelled version and more below the cut.
The Zwo-nmu system, home to Guz's homeworld Gymnome, is like many planetary systems dominated by gas giants. In fact, the only object that would count as a planet in the IAU's books, which resembles the terrestrial planets in our solar system, is tiny mercury-like "Rabbit" in the gap between Cool Ember and Omen.
Omen swept into the inner system, disrupting the late stages of planetary formation, but capturing Oldsky and Rival as moons and Gymnome as a trojan (which later destabilized into a horseshoe orbit). Glerbuh, Omen's near twin by mass, sucked up most of the remaining gas disk, but there was still plenty of volatile mass to generate the four ice giant planets Glarpi, Shpler, Eauah, Flibul, and most likely the recently discovered Schmitt.
Despite no other gas giants posessing moons as massive as Omen's, each of the large satellites of the other gas giants are still worth considering. Not much is yet known of the moons of the ice giants, but it is known that Glerbuh's diffuse ring is generated by the eruptions from about a dozen small rounded moons, which as they trade eccentricities with one another go in and out of periods of dramatic cryovolcanic activity.
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The original system layout drawing produced in early 2023.
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Scale comparison between our Sun and Zwo-Nmu, and their planets.
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Up close on Omen's moons and Gymnome:
Close up of Glerbuh:
Fanart of Omen by Tolbachik:
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mindblowingscience · 2 months ago
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Humanity may not be extraordinary but rather the natural evolutionary outcome for our planet and likely others, according to a new model for how intelligent life developed on Earth.
The model, which upends the decades-old "hard steps" theory that intelligent life was an incredibly improbable event, suggests that maybe it wasn't all that hard or improbable. A team of researchers at Penn State, who led the work, said the new interpretation of humanity's origin increases the probability of intelligent life elsewhere in the universe.
"This is a significant shift in how we think about the history of life," said Jennifer Macalady, professor of geosciences at Penn State and co-author on the paper, which was published Feb. 14 in the journal Science Advances.
Continue Reading.
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haematinon · 3 days ago
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Detail of a bigger piece for my new book, Ergo Cosmos: "The voracious appetite of the Martian Dolphins has inspired numerous moral fables, some exceedingly strange, perhaps alluding to a secret bond between lust and mathematics." I will post the free first chapter of the book in the comments!
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celestialdaily · 9 months ago
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The celestial object of the day is TOI-1338b, unofficially known as Wolftopia!
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This planet orbits around two stars, causing irregularities in its orbit, making it vary between 95 and 93 days. Although its orbit will keep being stable for another ten million years, its angle towards us will change, meaning that we can't see another transit until 2031.
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2minutetabletop · 20 days ago
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The Western Sectors
Garm has three new space-faring factions for you to inject into your campaign.
→ You can grab their lore and tokens in our new blog post!
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