
Hop David
@HopDavid41
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I so want this issue. I used to be able to buy Astronomy Magazine at Fry's Supermarket. But now they don't have a magazine section any more.
Check out the new issue of Astronomy magazine on store shelves and on the web! I'm honored immensely to have my piece on The Five Great Revolutions in Planetary Science that have occurred during my career as the cover article!. Thanks @deicherstar and @AstronomyMag!
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A rendition of the Lunar Hill Sphere as a bay with access to earth orbits as well as the greater solar system. I expect different locations along the bay like EML2, EML1 and NRHOs would all be near one another in terms of delta V, having similar Jacobi numbers. @RossDynamicsLab
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RT @RossDynamicsLab: A third interstellar object, 3I/ATLAS, has been discovered. This simulation shows how such fast-moving visitors might….
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RT @pickover: Math, physics, geometry, architecture. This is mathematical physicist Roger Penrose, standing on floor with Penrose tiling.….
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RT @RossDynamicsLab: An interstellar object, the third ever discovered, is inbound at 66 km/s with a diameter of 20 km. Currently 4.8 AU fr….
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A YouTube short calling out Neil Tyson's wrong history?.I am expecting the sun to rise in the west. @rmathematicus @TimONeill007 @JonathanSarfat1 @fakehistoryhunt @MichalYouDoing.
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Anyone know Eagle Sarmont? His website seems to have expired. I recall @Nick_Stevens_Gr doing graphics for him. But Nick is no longer on Twitter?.
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Posting so I can find it and read later. In terms of delta V the Lunar Hill Sphere is spitting distance from the Earth Hill Sphere, Earth escape as well as some important earth orbits. I believe the Lunar Hill Sphere will become a strategic volume.
Deep space maneuver completed successfully! RESILIENCE is now on a path towards the boundaries of the Earth gravitational influence, a region so far from Earth that the gravity of the Sun starts to be relevant. Join us tomorrow for the livestream of our SMBC x HAKUTO-R Venture
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RT @RossDynamicsLab: Orbital Motion in Cislunar Space: Orbital dynamics beyond GEO is best described by a 3-body model, where a spacecraft,….
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RT @JackMtCulberson: #CSBG #Pluto #planet . Today is Pluto Discovery day, so I decided to create an image of my human version of planet Plu….
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I had been saying that Angela Merkel had tried the Georgetown experiment on a larger scale and now Germany is burning more carbon than ever and its GDP had plummeted. But when challenged I could not find sources supporting my claims. Germany has indeed reduced carbon with solar.
Texas built 8 of the 10 largest solar projects in the US last year. And that's not because Texas rolls out the red carpet for renewables. It's because solar is winning on cost.
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RT @Firefly_Space: SCALPSS is in action! Developed by @NASA_Langley, the SCALPSS payload onboard Blue Ghost will observe the effects of eng….
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.@lougrims I had never known exhaust ions could damage a spacecraft. Is their work a step forward?.
space.com
Electric propulsion is being increasingly used on space missions and could ultimately replace thrusters using chemical rockets.
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RT @SETIInstitute: #PPOD: Icy Moons in Our Solar System That May Have Oceans. Scientists think six icy moons 🧊 in our solar system may curr….
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