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earthsky.org > space > jellyfish-on-mars-curiosity-rover-anomaies

‘Jellyfish’ on Mars: Image from Curiosity rover goes viral

2+ week, 4+ day ago   (548+ words) But it was largely overlooked until Kari Sivertzen posted it on X on August 12, 2026. The image shows what looks like a “jellyfish” shape in the distance. The “tentacles” look like they are touching the top of a rocky hill. What…...

@earthskyscience
earthsky.org > space > super-earths-might-be-solid-exoplanets-minerals-mantles

Super-Earths might be solid deep on the inside

3+ week, 4+ day ago   (369+ words) Super-Earths are rocky exoplanets that are larger and more massive than Earth, but smaller than Neptune. Powerful telescopes have provided clues about what their atmospheres are like. But what are they like on the inside? Some astronomers have suggested these…...

@earthskyscience
earthsky.org > space > cracks-on-venus-seafloor-mud-polygons

Were these polygonal cracks on Venus once on a seafloor?

4+ week, 1+ day ago   (289+ words) These vast, polygonal cracks are found in low-lying regions of Venus. And they do look very similar to ones in seafloor mud on Earth. Thick layers of waterlogged clay get buried, compacted and squeezed dry over time. Did the same…...