#aerobraking — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #aerobraking, aggregated by home.social.
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https://www.europesays.com/ie/325363/ China sends fourth ‘Shenlong’ reusable spacecraft mission into orbit #aerobraking #america #China #Éire #IE #Ireland #JiuquanSatelliteLaunchCentre #KennedySpaceCentre #LongMarchF #NorthAmerica #OrbitalTestVehicle #RPO #Science #Shenlong #SIGINT #Space #SpaceXFalcon #USSpaceForce #XB #Xinhua
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🇩🇪 #ATMOS has few competitors, of which #VardaSpace and #InversionSpace both apply parachutes 🪂 for the final descent of their return capsules. #Phoenix doesn’t require parachutes due to its large surface area and low mass, allowing its shape to essentially act as a parachute. The ballistic coefficient is lower than #NASA’s #LOFTID demonstrator. The next Phoenix to launch will carry "green #propulsion; ethane and nitrous oxide” https://www.nasaspaceflight.com/2025/06/atmos-space-cargo
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🇩🇪 #ATMOS has few competitors, of which #VardaSpace and #InversionSpace both apply parachutes 🪂 for the final descent of their return capsules. #Phoenix doesn’t require parachutes due to its large surface area and low mass, allowing its shape to essentially act as a parachute. The ballistic coefficient is lower than #NASA’s #LOFTID demonstrator. The next Phoenix to launch will carry "green #propulsion; ethane and nitrous oxide” https://www.nasaspaceflight.com/2025/06/atmos-space-cargo
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🇩🇪 #ATMOS has few competitors, of which #VardaSpace and #InversionSpace both apply parachutes 🪂 for the final descent of their return capsules. #Phoenix doesn’t require parachutes due to its large surface area and low mass, allowing its shape to essentially act as a parachute. The ballistic coefficient is lower than #NASA’s #LOFTID demonstrator. The next Phoenix to launch will carry "green #propulsion; ethane and nitrous oxide” https://www.nasaspaceflight.com/2025/06/atmos-space-cargo
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🇩🇪 #ATMOS has few competitors, of which #VardaSpace and #InversionSpace both apply parachutes 🪂 for the final descent of their return capsules. #Phoenix doesn’t require parachutes due to its large surface area and low mass, allowing its shape to essentially act as a parachute. The ballistic coefficient is lower than #NASA’s #LOFTID demonstrator. The next Phoenix to launch will carry "green #propulsion; ethane and nitrous oxide” https://www.nasaspaceflight.com/2025/06/atmos-space-cargo
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🇩🇪 #ATMOS has few competitors, of which #VardaSpace and #InversionSpace both apply parachutes 🪂 for the final descent of their return capsules. #Phoenix doesn’t require parachutes due to its large surface area and low mass, allowing its shape to essentially act as a parachute. The ballistic coefficient is lower than #NASA’s #LOFTID demonstrator. The next Phoenix to launch will carry "green #propulsion; ethane and nitrous oxide” https://www.nasaspaceflight.com/2025/06/atmos-space-cargo
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From Earth to #Mars lasts about 200 days. To safely go from those speeds down to zero in that short amount of time requires “slamming on the brakes”. Successful #aerobraking depends upon precise navigation, knowledge of weather, and a solid understanding of the forces the craft can withstand. https://science.nasa.gov/planetary-science/programs/mars-exploration/mission-timeline
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🇮🇳 #Mangalyaan2 will perform a direct entry, meaning the descent stage will plunge straight into the atmosphere without first orbiting the planet. The landing sequence will begin with #aerobraking to slow the spacecraft using atmospheric drag. At an altitude of approximately 1.3 kilometres above the Martian surface, powered descent engines will ignite 🔥 https://timesofindia.indiatimes.com/science/how-mangalyaan-2-will-land-on-mars-isro-chief-reveals-plan/articleshow/120306889.cms
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For a trip to #Mars 🔴, decreasing travel time by 10% necessitates twice as much fuel, while cutting travel time in half requires ten times as much. May prove worthwhile when considering factors such as decreased exposure time to #radiation ☢️ for crewed 👩🚀 missions. Extra speed must be lost at Mars. Many Mars missions do this, taking about 6 6️⃣ to 7 months for transit to the Red Planet. https://marspedia.org/Hohmann_transfer#Type-I_and_Type-II_Trajectories
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#AMAT allows the user to simulate #atmospheric entry trajectories, compute deceleration and heating🌡️loads, compute aerocapture entry corridors and simulate aerocapture trajectories. AMAT supports analysis for all #atmosphere-bearing destinations in the #SolarSystem: #Venus, #Earth, #Mars, #Jupiter, #Saturn, #Titan, #Uranus, and #Neptune https://amat.readthedocs.io/en/master
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Parachute 🪂 is not the only means for descent, as high-mass class vehicles are emerging for human 👩🚀 missions. Shallow entry flight-path angles are preferred in order to achieve a lower terminal velocity to ensure a safe descent phase. Retro-propulsion could be activated at Mach 2 and above https://www.intechopen.com/chapters/72944#
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It makes sense to use the Martian #atmosphere to help with deceleration and save on propellant. https://www.youtube.com/watch?v=5seefpjMQJI This method has been tested and validated on Earth, using #SpaceX #Falcon9 first stages in the high atmosphere to simulate #Martian conditions https://marspedia.org/Landing_on_Mars#Powered_landing
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As the #spacecraft approaches Mars 🔴, it will need to perform a capture burn 🔥 to slow down and be captured by Mars' gravity. This requires a delta-v of about 0.7 to 1.3 km/s to enter Mars' orbit or to land on the planet's surface. #Starship 🚀 will enter #Mars’ atmosphere at 7.7 km/sec and decelerate #aerodynamically https://www.uc.edu/content/dam/refresh/cont-ed-62/olli/fall-23-class-handouts/SpaceX%208%20%20Mars%20%20Vision%20Summary.pdf
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By Giusy Falcone Dec 2021 https://gfalcon2.web.illinois.edu
With a 6 m/s increase in the Delta-V budget, the deep reinforcement learning approach shortened the #aerobraking time by 68.3% 📉. The DRL algorithm does not encounter any thermal violations over 40 episodes compared to the 2.8 average thermal violations experienced by the state-of-the-art heuristic https://arc.aiaa.org/doi/10.2514/6.2022-2497
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The time of travel to #Mars can be reduced from nine months ⏳ to about four months. This would reduce #radiation ☢️ doses by over 60% compared to the Hohmann transfer. This trajectory uses 4.62 km/s of deltaV. #SpaceX #Starship is designed for about 6 km/s of deltaV. The return velocity of #Apollo was about 11 km/s https://marspedia.org/Aerobraking
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#Einstein’s Journey to the Second #Postulate of #SpecialRelativity : Medium
#SpaceForce’s #Mysterious X-37B is testing its ‘#Aerobraking’ : Pop Sci
How the Famous #Lucy #Fossil Revolutionized the Study of #HumanOrigins : Sci Am
Check our latest #KnowledgeLinks
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"Lunar Transportation System" service module (LTS/SM). From "Lunatics!", ep. 2 "From the Earth" and ep. 3 "To the Moon".
The idea was "a big expensive machine built by aerospace contractors that does what the Space Shuttle (STS) did for low-earth orbit, but for getting to the Moon".
(More detail in caption)
#LunaticsTV #SpaceCraft
#Blender3D #NPR3D #AeroBraking #Moon:cc_cc: :cc_by: :cc_sa: 4.0
Lunatics Project | lunatics.tv
