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#venus

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The #myth of #Venus / #Aphrodite says she was born from sea foam & Uranus' genitals. The myth says is that she emerged from the sea fully-grown (that's so you don't ask questions like, how?!)

One of the most famous depictions of Venus's birth has her standing on a giant #scallop #shell. The shell is not really germane to the #myth -- but maybe it still counts for #MythologyMonday?

📷 :en.wikipedia.org/wiki/The_Birt

#GreekMythology #mythology #Myths #GrecoRomanMythology @mythology #Art #MastoArt

05.00: De #Maan staat 6,2gr N van #Venus (-4,0m), i/h #sterrenbeeld #Stier. De dichtste nadering gebeurt om 21:32, onder de horizon en bij daglicht. Bekijk de samenstand rond 5 uur, of op 22 jul rond 4 uur. Het tweetal staat i/h eerste geval i/h oosten, circa 22gr boven de horizon, op een onderlinge afstand van 10,2gr. In het tweede geval sta/d twee hemellichamen i/h oostnoordoosten, op zo'n 10gr boven de horizon, zo'n 7,9gr van elkaa... Meer info: hemel.waarnemen.com/astrokal/

Venusian Gravity Currents

Radar measurements of Venus‘s surface reveal the remains of many volcanic eruptions. One type of feature, known as a pancake dome, has a very flat top and steep sides; one dome, Narina Tholus, is over 140 kilometers wide. Since their discovery, scientists have been puzzling out how such domes could form. A recent study suggests that the Venusian surface’s elasticity plays a role.

According to current models, the pancake domes are gravity currents (like a cold draft under your door, an avalanche, or the Boston Molasses Flood), albeit ones so viscous that they may require hundreds of thousands of Earth-years to settle. Researchers found that their simulated pancake domes best matched measurements from Venus when the lava was about 2.5 times denser than water and flowed over a flexible crust.

We might have more data to support (or refute) the study’s conclusions soon, but only if NASA’s VERITAS mission to Venus is not cancelled. (Image credit: NASA; research credit: M. Borelli et al.; via Gizmodo)

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@jimsalter

Wishful thinking. Billions and billions spent, terabytes of data, thousands of searchers, decades of nitpicking study, and not one empty matchbook, not a sniff, not an atom out of place in a very very big Petrie dish.

Hopeful sure, even excited for the search, but the unlikeliness, the fragility, of this gossamar exception, is also fascinating and enervating.

And frightening. Its really very easy for a planet to fail.