Science

Sand dunes on Mars are fascinating. They move in a different way than on earth and can become much larger than on our own planet. Various conditions contribute to the gigantic sand dunes and large dune fields that can form on the Red…

From NASA March 16, 2021 This illustration shows ultraviolet polar aurors on Jupiter and Earth. While the diameter of the Jupiter world is ten times larger than that of the earth, both planets have a significantly similar…

This decade promises to be an exciting time to explore space! The Perseverance rover landed on Mars and began conducting scientific operations. Later that year, the next-generation James Webb Space Telescope, the Double Asteroid…

Guest contribution by Rud Istvan Willis Eschenbach's most recent post on clouds and cloud feedback and my comments on it made me think again about other possible examples of climatic errors. Or to paraphrase Mamet: "To pretend to…

Red giant stars are red and huge. But astronomers have always had difficulty estimating their temperatures because of its complex and turbulent atmosphere. Without an accurate measurement of their temperatures, it is difficult to say…

California Energy Commission Twitter thread ⚡️ # CalEnergy, @californiapuc & @AirResources today released the agency's first joint report examining how the state's electricity system can become carbon-free by 2045.Read here:…

In my last post, I talked about the idea of ​​the warp drive and whether it might one day be possible. Today I'm going to talk about another trick that's faster than light: wormholes. Wormholes are an old idea in general relativity. It…

Guest essay by Eric Worrall Several nations have suspended the launch of the AstraZeneca Covid-19 vaccine after multiple reports of vaccine recipients with cerebral hemorrhage were published in Europe, though AstraZeneca denies any…

On October 19, 2017, the first interstellar object ever discovered flew past Earth on its way out of the solar system. Less than two years later, a second object was discovered, an easily identifiable interstellar comet called 2I /…

“We know that there are known acquaintances. There are things that we know we know. We also know that there are unknown unknowns; That said, we know there are some things that we don't know. But there are also unknown unknowns -…