Science Direct, or really, Earth and Planetary Science Letters, has a study of very old craters that suggests that in the Ordovician period, around 460 million years ago or so, when trilobites… Read the rest “Maybe the Earth had a ring like Saturn once…”
SONG: “Oceans Under Mars”. (WAV version here.)
ARTIST: grant.
SOURCE: PhysOrg, 12 Aug 2024, “Scientists find oceans of water on Mars. It’s just too deep to tap.… Read the rest “SONG: Oceans Under Mars”
This is a glowing hunk of rock, lit from within.
The rock was found in the Kelly Mine in Magadela, New Mexico. Smithsonite is a form of zinc carbonate, or zinc spar, that’s formed a large… Read the rest “Science Art: Smithsonite, from the Smithsonian Natural Museum of Natural History.”
PhysOrg shares research from ETH Zurich that demonstrates something that should be obvious to anyone who’s played pool. But as the warming Earth makes the ice caps melt, changing… Read the rest “Climate change affects the Earth’s rotation more than the Moon does.”
Mashable reports on the Mars Rover Curiosity, which has just found evidence of some major flooding and splishing and splashing on the surface of Mars long ago:
… Read the rest “Curiosity finds some exciting times on Mars.”Although Mars today is 1,000
This depiction of Earth might be the first such image of our planet as seen from space. No human (as far as we know) had ever been to space at the time Henry De la Beche drew this. He’d started… Read the rest “Science Art: Earth by Henry De la Beche, from Researches in Theoretical Geology, 1834.”
SONG: “Fine Altar Stone”. (available as .ogg here)
ARTIST: grant.
SOURCE: Based on IFL Science, 25 Sep 2023, “The Stonehenge Altar Stone Didn’t Come From Where We Thought… Read the rest “SONG: Fine Altar Stone”
IFL Science takes a closer look at the massive stones of Stonehenge. Most of them seem to have been transported with great effort from a faraway quarry in Wales. But the monument’s … Read the rest “Stonehenge’s altar is not like the other stones.”
This map shows where silt was laid down untold ages ago. According to its brief description on Wikimedia Commons, it depicts: Loess sediments distribution and its thickness in western … Read the rest “Science Art: Loess Sediments Thickness, by Przemysław Mroczek, 2020.”
Rivers of lava glow a burning orange, sending white plumes up from a black stone landscape. This is a photograph of Hawaii – a place usually seen as a sort of paradise on Earth –… Read the rest “Science Art: Mauna Loa Northeast Rift Zone Eruption – November 28, 2022, Civil Air Patrol”
Science News winds back the astronomical clock to the early days of Planet Earth, when waves of comet collisions seem to have slammed the planet’s solid crust into shape in a regularly… Read the rest “Comets from the Milky Way’s other arms helped form Earth’s continents.”
SONG: “Like Lava Made of Water”.
ARTIST: grant.
SOURCE: Science 17 Apr 2022, “Icy Volcanos on Pluto Could Be Sign of Underground Ocean,” as used in the post Pluto… Read the rest “SONG: Like Lava Made of Water”
Science reports on an Icelandic project going to a whole new level – they’re following the Krafla Volcano’s path and digging beyond the Earth’s crust into magma… Read the rest “Drilling for magma.”
A soft and beautiful drawing of distant, unimaginable destruction. Eduard Moritz Pechuël-Loesche was a naturalist in Hereroland (now Namibia) when he painted this watercolor in late… Read the rest “Science Art: Circular Twilight Halo at Sunrise (Kreisförmiger Dämmerungsschein Bei Sonnenaufgang) by Eduard Moritz Pechuël-Loesche, 1884”
Click to embiggen
This is a colorful map (literally called a mosaic!) of the area where Perseverance landed, only from a little higher up. You can see the pink semicircle of the crater, and… Read the rest “Science Art: Geologic Map of Jezero Crater and the Nili Planum Region, Mars (Scientific Investigations Map 3464), by Vivian Sun and Kathryn Stack.”
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