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glitchblackmusic · a month ago
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Planetoid / Glitch Black IG: @glitch_black
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scifiction · 8 months ago
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Cover art for Monde Futur No. 19 (Future World No. 19).
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gregroxtheblog · 4 months ago
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4 Vesta
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Here is 4 Vesta, the second largest planet in the Asteroid Belt between Mars & Jupiter. In this sketch, based on a photo imaged by the Dawn spacecraft in July 2011, we’re looking down on the Rheasilvia basin on Vesta’s south pole. An impact event one billion years ago blasted out one of the Solar System’s largest craters, and the rebound from the blast produced perhaps the Solar System’s largest mountain--slightly taller than Olympus Mons on Mars. The debris from that impact produced 15,000 or so smaller asteroids which share a similar orbit, and many stony meteorites are thought to trace back to this impact event as well.
Can’t see the basin? Because it’s so large, it’s quite subtle and shallow. At 500 kilometers across, its diameter is 87% that of Vesta itself. Almost hilariously, Rheasilvia is covering up another basin which is nearly as large, the Veneneia basin. Over 50% of Veneneia is covered by Rheasilvia. Veneneia is between 2 and 4.2 Billion years old, is 395 kilometers across, 70% the diameter of Vesta, and can be barely seen slightly below Rheasilvia in this image.
You’ll notice at the beginning of this post I called Vesta a planet. Perhaps the term “Planetoid,” “Asteroid,” or “Minor Planet” would be more suitable, but the truth is that for the most part planetary scientists do not differentiate between planet, dwarf planet, asteroid, satellite, etc.* Vesta has a lot of planet-like properties--it’s got an iron-nickel core, a rocky mantle, and a distinct crust. It even seems to have tectonic activity, like the Moon and Mercury. Only about four or five asteroids are internally differentiated this way. Vesta would count as a “dwarf planet” at least, were it not for the Rheasilvia basin having been dredged out of it, preventing it from remaining rounded.
Reference photo and *spicy planet opinions under the cut.
*The number of planets in the solar system is basically arbitrary, and the notion of only 8 or 9 is much more recent than you’d think. After all, why are the satellite planets (as moons have long been called) not counted? Why are the gas giants and the terrestrial worlds grouped into the same collection? Depending upon how you define planet, the solar system could have four, eight, thirteen, 33-ish, several dozen, hundreds, or millions. Planet shouldn’t be a rigidly defined term, and as far as I can tell, planetary scientists generally do not agree with or use the 2006 IAU definition of a planet.
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NASA/JPL-Caltech/UCLA/MPS/DLR/IDA
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wachsurfer2018 · 6 months ago
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Chiron,=2060 Chiron è un asteroide della classe dei centauri scoperto nel 1977 e presenta un comportamento cometario. Nel 1991 è stato scoperto un involucro gassoso (coma) intorno a Chirone, il che significa che oggi non è solo classificato come un planetoide, ma anche come (la più grande conosciuta) cometa. Oltre alla sua designazione come asteroide, l'oggetto ha quindi anche una designazione come cometa periodica (95P/Chiron). Nel 2014 fu scoperto un sistema di anelli intorno.
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djstormpresents · 9 months ago
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The First Planet OUTSIDE Of Our Galaxy.
The First Planet OUTSIDE Of Our Galaxy.
THIS IS NOT AN ACTUAL PHOTO OF THE PLANET! Scientists have found signs of a planet transiting a star outside of the Milky Way, potentially representing what could be the first-ever planet to be detected in another galaxy. Researchers found evidence of a planet in the Messier 51 galaxy, located some 28 million light-years away from the Milky Way, as they detected a dip in brightness in the…
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leviathansarmory · a year ago
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Protoplanet: 59 frames, 8 colors, 128x128px. I do pixel art too, Been experimenting with blender, the last few came out kinda bland but this one is much closer to what I've been looking to make. On my ALT deviantart: https://www.deviantart.com/junksprite/art/Protoplanet-874774663
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bazedjunkiii · a year ago
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singularity.
a digital planet designed by baze.djunkiii
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kp777 · a year ago
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rei-kariya · 12 hours ago
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no title 2021, 21.3 × 20.5 cm
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planetoidsfun · 2 months ago
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Developing planetoid social skills is fundamental for space adventurers of all ages.
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harmcityherald · 2 months ago
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bootes
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evobedevo · 2 months ago
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Dawn's old design was in fact inspired by Rosalina from Mario Galaxy when I first created her. Especially the hair-do. 
So I thought I'd pay a little homage to that, and the fact that I really just love Galaxy.
This used to be an Inktober piece, but I've recently gotten into going back and turning them all into limited palette pieces. It's a nice way to kill some time in between commissions and just do something low energy while watching videos.
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savvy-creations-fmufam · 11 months ago
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A small video for your Wednesday! 💚💙 Enjoy watching me #draw "CHIRON", #ophiuchus 's ruling planet(oid). P.s. also happy Fall! 🧡💛🍂 #savvycreations27 #fmufam #fmufamart #digital #digitaldrawing #digitalartist #digitalillustration #digitalart #astronomy #space #outerspace #solarsystem #planetoid #chiron https://www.instagram.com/p/CUIZN74AYiJ/?utm_medium=tumblr
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aduialel · a year ago
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Just love the nickname. The previous record holder was Farout. 😂
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zespaceblog · 4 months ago
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Ceres the Planetoid
Ceres is the largest of the asteroid objects that sit between Jupiter and Mars in our solar system. In 2015, the Dawn spacecraft visited and took these and many more images and data from the object, revealing a surprising geology and possible past at the outer edges of our solar system.
The most notable feature of Ceres was the single large crater with a bright white material within. This turned out to be salt, which may have been deposited on the surface after brine escaped from the centre.
The implication is, a salt water ocean may have existed within the planetoid, and other evidence (such as the bottom image of Ahuna Mons, a possible cryovolcano) certainly points towards water being a large component of the make up.
Additionally ammonia was found, and this is a smoking gun for the formation of this planetoid, as at it's current location, ammonia is unlikely to form, while much further out, it's found in abundance.
So it's likely that this proto-planet started off in life out beyond the orbit of Jupiter and Saturn, and during it's early life found itself flung inwards where it settled amongst the asteroids today.
Source: https://www.syfy.com/syfy-wire/ceres-may-have-formed-out-past-saturn-and-slid-in-to-the-asteroid-belt
The article was written by Phil Plait, who you can follow on Twitter under @BadAstronomer
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worstloki · 7 months ago
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Thor:Ragnarok would’ve been so much funnier if Loki caused Ragnarok without telling Thor or for completely unrelated reasons to getting rid of Hela.
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