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The Orbital Mechanics Podcast

David Fourman, Ben Etherington, and Dennis Just

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Every week we cover the latest spaceflight news, discuss past, current and future exploration efforts, and take a look at upcoming events. Tune in to hear about how humans get to space, how they stay in space and how unmanned craft reach farther and farther into the universe around us.
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Spaceflight News -- NASA nixes VIPER (spacenews.com) (newscientist.com) European Short & Sweet -- Ariane 6 may carry crew (europeanspaceflight.com) -- Europe announces RAMSES mission to Apophis (arstechnica.com) (esa.int) -- Themis gets delayed (europeanspaceflight.com) This Week in Spaceflight History -- 29 Jul, 1999. Deep Space 1, NASA’s first S/…
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Spaceflight News -- Falcon 9 Failure (spacenews.com) (spaceflightnow.com) -- Ariane 6 anomaly (europeanspaceflight.com) (spaceflightnow.com) -- Hyperbola-1 mishap (spacenews.com) Short & Sweet -- Europa Clipper faces last-minute obstacle (space.com) -- Dawn gets green light for spaceplane tests (spacenews.com) This Week in Spaceflight History -- 17…
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Spaceflight News -- Luch (Olymp) 2 “caught” snooping (sattrackcam.blogspot.com) (sattrackcam.blogspot.com) (russianspaceweb.com) (thespacereview.com) Short & Sweet -- The Poles make it to space! (europeanspaceflight.com) -- ISRO announces major size increase to Indian space station (x.com/ISROSpaceflight) Interview -- MSI-DFAT -- We talked to: -- A…
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Spaceflight News -- The Vulcan train is leaving the station (spacenews.com) Short & Sweet -- Starliner’s extended-er ISS stay (spacenews.com) -- A not-so-static test fire (spacenews.com) -- Resurs P1 breaks up (spacenews.com) Questions, Comments, Corrections -- From the intro: (americaspace.com) This Week in Spaceflight History -- 8 July, 1994. Lau…
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Spaceflight News -- Long March 10 hot firing (spacenews.com) (weixin.qq.com) (youtube.com) (spacenews.com) -- Latest taikonaut class selected (space.com) Short & Sweet -- ESA gets involved in Vega C’s transfer (europeanspaceflight.com) -- Ariane 6 gets dressed (spacenews.com) -- Starliner’s extended ISS stay (spacenews.com) (spacenews.com) This Wee…
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Spaceflight News -- Starliner OFT (americaspace.com) (spacenews.com) (americaspace.com) (spacenews.com) (nasaspaceflight.com) (spacenews.com) (spacenews.com) (HT deltaV: twitter.com/cbs_spacenews) (twitter.com/SciGuySpace) -- Suni Williams gave a tour on orbit (HT Dennis O: youtube.com) Short & Sweet -- Chinese space plane proximity ops (sattrackca…
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Spaceflight News -- Starship Test Flight 4 (spacenews.com) (nasaspaceflight.com) (youtube.com) (spacey.space/@spmttracker) Short & Sweet -- Vast plans for ESA (spacenews) -- Chang’e-6 has its moon rocks (spacenews) (spacenews.com) -- Hubble Hobble (spacenews.com) Questions, Comments, Corrections -- RIP Bill Anders (apnews.com) -- Traches: Relativit…
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Spaceflight News -- ThinkSubOrbital (spacenews.com) (PDF: nasa.gov) (spacenews.com) (youtube.com) (sbir.gov) (sbir.gov) Short & Sweet -- Starliner scrub (americaspace.com) (spacenews.com) (spacenews.com) -- Indian startup Agnikul Notches launches first flight (payloadspace.com) Questions, Comments, Corrections -- From the intro: -- Chang’e 6 landin…
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Spaceflight News -- More Starliner Delays (spacenews.com) (HT deltaV: twitter.com/jeff_foust) (spacenews.com) (HT deltaV: https://arstechnica.com) Short & Sweet -- U.S. accuses Russia of launching countersat weapon (spacenews.com) (payloadspace.com) -- Redwire wins award for European lunar lander’s robot arm (europeanspaceflight.com) Questions, Com…
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Spaceflight News -- NASA Joins Rosalind Franklin Team (spacenews.com) -- Unknown Russian sat launched (sattrackcam.blogspot.com) (russianspaceweb.com) Short & Sweet -- Georgia scraps Spaceport Camden (actionnewsjax.com) -- Starliner leaks Helium (spacenews) This Week in Spaceflight History -- 27 May, 1999: The launch of STS-96 (nasa.gov) (nss.org) …
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Spaceflight News — Chang’e-6 mission underway (spacenews.com) (spacenews.com) (nature.com) (spacenews.com) Short & Sweet — Starliner delayed (spacenews.com) (nasaspaceflight.com) (spacenews.com) (americaspace.com) (spacenews.com) — Long March 6C makes first flight (cgtn.com) (spacenews.com) — Neutron debut slips into 2025 (payloadspace.com) Questio…
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Spaceflight News — Artemis I Lessons (spacenews.com) (PDF: oig.nasa.gov VIA oig.nasa.gov) Short & Sweet — Thunder from down under (abc.net.au) (abc.net.au) (southernlaunch.space) — JAXA’s SLIM survives third lunar night (japantimes.co.jp) This Week in Spaceflight History — May 9, 1963: Launch of West Ford 2 (PDF: orbitaldebris.jsc.nasa.gov VIA orbi…
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Spaceflight News — Voyager is communicative! (blogs.nasa.gov) — ESA debris removal mission finds a new target (satellitetoday.com) Short & Sweet — China releases a lunar landing update (spacenews) — TESS enters safe mode… again (nasa.gov) Questions, Comments, Corrections — Dennis O: SOFIA clarifications (discord.com) (youtube.com) — VAXheadroom sho…
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Spaceflight News — Lunar buggy selection (spacenews.com) (PDF: sam.gov VIA sam.gov) (twitter.com/DubnHG1) (nikkei.com) Short & Sweet — Dragonfly mission officially confirmed (nasa.gov) — Mars Sample Revamp (spacenews.com) (spacenews.com) (spaceflightnow.com) Questions, Comments, Corrections — Unc Willy: Cape launch complexes (discord.com) This Week…
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Spaceflight News — Last Delta IV heavy (spacenews.com) (americaspace.com) (nasaspaceflight.com) (PDF: ulalaunch.com) (arstechnica.com) Short & Sweet — Relativity Space wins contract (spacenews) — Japan secures a moon landing (spacenews) — Max Space Modules (spacenews) Questions, Comments, Corrections — Csaba via Discord: SOIR means "evening" in Fre…
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Spaceflight News — Broken records and Starship’s near future (nasaspaceflight.com) (spacenews.com) (nasaspaceflight.com) Short & Sweet — New Shepard Plans Crewed Flight (spacenews.com) — Lunar Rover Mk 2 (spacenews.com) This Week in Spaceflight History — April 11, 2006: Arrival of Venus Express at Venus (en.wikipedia.org) (PDF: sci.esa.int VIA sci.…
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Spaceflight News — Orbital Reef Rundown (nature.com) (PDF: star.spaceops.org VIA star.spaceops.org) (genesisesi.com) — Artemis 3 now has 3 experiments (nasa.gov) (hou.usra.edu) Short & Sweet — A Rotating Detonation Rocket Engine flies for first time (HT Andrew Z: autoevolution.com) — A Nascent Solution For Voyager 1 (spacenews.com) This Week in Spa…
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Spaceflight News — Starship IFT-3 (spacenews.com) (twitter.com) (youtu.be) Short & Sweet — Euclid spacecraft addresses ice-buildup on optics (asdnews.com) — Ariane 6 coming together (esa.int) — Soyuz aborts at the pad (spacenews.com) Questions, Comments, Corrections — From the intro: launch escape slide (youtube.com) This Week in Spaceflight Histor…
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Interview — Professor Dante Lauretta — The Asteroid Hunter: A Scientist’s Journey to the Dawn of our Solar System (hachettebookgroup.com) — facebook.com/AZAstrobiology — threads.net/@azastrobiology — instagram.com/azastrobiology — Thanks to Grand Central Publishing (twitter.com/GrandCentralPub) (instagram.com/grandcentralpub)…
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Spaceflight News — Stoke Space focusing on first stage (nasaspaceflight.com) (youtu.be) Short & Sweet — Tianhe’s solar arrays patched (space.com) — Stratolaunch tests Talon (spacenews.com) (spacenews.com) — Starship Flight 3 on its way (spacenews.com) (space.com) This Week in Spaceflight History — 16 Mar, 1966. Recovery of Veterok and Ugolyok, who …
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Spaceflight News — Last big IM-1 update (arstechnica.com) (twitter.com/jeff_foust) Short & Sweet — Orion has hatch problems (spacenews.com) — ISRO plans for Mars helicopter (indiatoday.in) Questions, Comments, Corrections — Varda landing footage (youtube.com) This Week in Spaceflight History — 8 Mar, 2001. Launch of STS-102 (nss.org) (aiaa.org) — N…
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Spaceflight News — IM-1 landing follow-up (spacenews.com) (youtube.com) (youtube.com) Short & Sweet — ISRO completes human-rating of engine (isro.gov.in) — Software error responsible for Firefly’s off-nominal payload delivery (fireflyspace.com) (space.com) — Varda’s capsule returns (spacenews.com) Questions, Comments, Corrections — Espen via email:…
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Spaceflight News — IM-1 launch (americaspace.com) (americaspace.com) (spacenews.com) (spacenews.com) (nasaspaceflight.com) (PDF: intuitivemachines.com) Short & Sweet — H3 completes first successful launch (spacenews.com) — Voyager 1 still struggles to communicate (space.com) This Week in Spaceflight History — February 21 2008, Interception and dest…
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Spaceflight News — Dream Chaser readies for first flight (nasaspaceflight.com) (nasaspaceflight.com) Short & Sweet — Viasat-3 pushes forward (spacenews.com) — Lessons from Artemis 1 (spacenews.com) — X-37B’s orbit speculation (arstechnica.com) Questions, Comments, Corrections — 2002 VE68 was officially named Zoozve! (alex-foster.com) (radiolab.org)…
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Spaceflight News — CLPS’ second try (spacenews.com) — Collins completes Crew Capability Assessment (prnewswire.com) (spaceflightnow.com) (youtube.com) Short & Sweet — Queqiao-2 readies for launch (cgtn.com) — First metal 3D printer in space reaches ISS (europeanspaceflight.com) — Orbit raising raising questions (spacenews.com) This Week in Spacefli…
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Spaceflight News — Ingenuity Down (HT deltaV: twitter.com/AndySaunders_1) (spacenews.com) (mars.nasa.gov) — Slim Upside-Down (spacenews.com) (spacenews.com)(global.jaxa.jp) Short & Sweet — Redwire to provide elements of Blue Origin’s space tug (spacenews.com) — Two companies test reusable booster prototypes (space.com) (HT: Sam twitter.com/CNSpacef…
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Spaceflight News — SLIM landing attempt (spacenews.com) (spacenews.com) (nasaspaceflight.com) (en.wikipedia.org) (youtube.com) (PDF: global.jaxa.jp) Short & Sweet — EUS heads to qualification (nasaspaceflight.com) — Ingenuity contact lost during flight 72, regained (mars.nasa.gov) (npr.org) Questions, Comments, Corrections — From the intro: Peregri…
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Spaceflight News — Peregrine Failure (spacenews.com) (nasaspaceflight.com) (spacenews.com) (americaspace.com) (spacenews.com) (twitter.com/astrobotic) Short & Sweet — Lay-offs at JPL (spacenews) — Starship’s second flight failure explained (spacenews.com) Questions, Comments, Corrections — From the intro: Early demo of a starship game, complete wit…
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Spaceflight News — NIAC 2024 Phase One (nasa.gov) (nasa.gov) Short & Sweet — India launches X-ray space observatory (spaceflightnow.com) — Space station stories (spacenews.com) (spacenews.com) This Week in Spaceflight History — 12 January, 1997: Launch of Atlantis on STS-81 (en.wikipedia.org) (americaspace.com) (youtube.com) (freshairarchive.org) —…
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Spaceflight News — B1058 lost at sea (spaceflightnow.com) (twitter.com/johnkrausphotos) (youtube.com) (ventusky.com) (twitter.com/edwards345) (spaceexplored.com) — Firefly malfunction (spacenews.com) Short & Sweet — China completes launch pad at first commercial spaceport (cgtn.com) This Week in Spaceflight History — 3 Jan, 1999: The launch of Deep…
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Spaceflight News — China launches spaceplane for third time (spacenews.com) (arstechnica.com) (youtube.com) (nasaspaceflight.com) Short & Sweet — Refractory Starship (nasaspaceflight.com) — iSpace hops again (spacenews.com) — Voyager 1 suffers communication anomaly (space.com) This Week in Spaceflight History — 19 Dec, 1976. The launch of the first…
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Spaceflight News — Vega propellant tank mishap (arstechnica.com) (europeanspaceflight.com) (eoportal.org) (PDF: arianespace.com) — AVUM 4th stage (“upper stage”) (Pic: eoportal.org) — Transporter-9 satellite deployment malfunction (spacenews.com) Short & Sweet — Iran successfully launches bio-capsule (payloadspace.com) — Chinese methalox rocket pro…
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Spaceflight News — Starship Shtuff (payloadspace.com) (americaspace.com) (twitter.com/ThePrimalDino) Short & Sweet — JAXA cyber attacked (payloadspace.com) — U.S. watchdog agency finds Artemis III in 2025 unlikely (gao.gov) (spacenews.com) — Gyroscope glitch halts Hubble operations (nasa.gov) (spacenews.com) This Week in Spaceflight History — Dec 7…
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Spaceflight News — Starliner Crewed Flight Test stays on schedule (spacenews.com) (nasaspaceflight.com) (blogs.nasa.gov) Short & Sweet — Looking Towards the End of ISS (planetary.org) (spacenews.com) — Orion still on track (spacenews.com) — Ariane 6 hot firing test (europeanspaceflight.com) Questions, Comments, Corrections — Danielle Rose has some …
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Spaceflight News — Starship Flight 2 (spacenews.com) (nasaspaceflight.com) (americaspace.com) (youtube.com) (twitter.com/thejackbeyer) (twitter.com/planet4589) — Posted after recording: a quick analysis of Starships acceleration curves (twitter.com/Space_Josiah) Short & Sweet — SaxaVord struggles to pay contractors (europeanspaceflight.com) — Sierr…
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Spaceflight News — Rocket Lab Failure Analysis (spacenews.com) (space.com) (rocketlabusa.com) (PDF: q4cdn.com VIA en.wikipedia.org) Short & Sweet — Astra’s financial future (spacenews.com) (spacenews.com) — X-37B readies for first launch on Falcon Heavy (spaceflightnow.com) Questions, Comments, Corrections — From the intro: Dinkinesh adds a moon (p…
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Spaceflight News — Lucy flies past Dinkinesh and also Dinkinesh (nasa.gov) (lucy.swri.edu) (PDF: ntrs.nasa.gov VIA ntrs.nasa.gov) — Aerojet Rocketdyne supplied Lucy’s thrusters (l3harris.com) (PDF: amazonaws.com) Short & Sweet — Starship aims for mid-November launch (nasaspaceflight.com) — i-Space hops (spacenews.com) This Week in Spaceflight Histo…
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Spaceflight News — ABL Dusts Itself Off (spacenews.com) (harryohanley.substack.com) Short & Sweet — NASA struggles to open asteroid sample container (space.com) — Rocket Lab to return (spacenews.com) Questions, Comments, Corrections — From the intro: Blue Origin’s latest Blue Moon mockup (spacenews.com) — Canopée to ferry Ariane 6 (fosstodon.org/@A…
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Spaceflight News — Gaganyaan in-flight abort test (youtube.com) (timesofindia.indiatimes.com) (HT: Jatan’s Space PDF: gov.in) (HT DeltaV: twitter.com/DJSnM) — Pad abort test (https://www.youtube.com) — Future human Indian Space ambitions (gov.in) (spacenews.com) Short & Sweet — PLD Test Launch (spacenews.com) — Two Vega payloads fail to deploy (eur…
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Spaceflight News — Psyche launch and mission preview (americaspace.com) (spacenews.com) (nasaspaceflight.com) (scitechdaily.com) (en.wikipedia.org) (microdevices.jpl.nasa.gov) Short & Sweet — Spacewalk canceled due to Nauka leak (space.com) — QueSST to fly in 2024 (nasa.gov) This Week in Spaceflight History — 21 Oct, 2007. Soyuz TMA-10’s ballistic …
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Spaceflight News — Tiangong’s expansion (hindustantimes.com) (cnn.com) — Northrop Grumman joins Starlab team (nasa.gov) — Orbital Reef may be abandoned (cnbc.com) Short & Sweet — Luna-25 failure “analysis” (spacenews.com) — Stoke Space gets more funding (spacenews) Interview -- Ben Reed, CTO Quantum Space — quantumspace.us — linkedin.com/company/qu…
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Spaceflight News — Electron suffers upper stage failure (spacenews.com) (spaceflightnow.com) (youtu.be) Short & Sweet — Stoke Space hops (spacenews.com) — Sierra Space does a burst test (spacenews) — China plans for lunar sample return (spacenews.com) Questions, Comments, Corrections — A big thanks to Unc’willy, Fonji, Chris S in particular for hel…
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Spaceflight News — Dawn Aerospace discusses future plans (parabolicarc.com) Short & Sweet — Artemis-II gets its engines (nasaspaceflight.com) — Firefly launches Victus Nox (spacenews.com) Questions, Comments, Corrections — From the intro: Stoke Space test fires (twitter.com/stoke_space) This Week in Spaceflight History — 22 Sep, 1981. Colombia spil…
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Spaceflight News — Aditya-L1 studyin’ the Sun (space.com) (eoportal.org) (PDF: iiap.res.in) Short & Sweet — Starship stands corrected (spacenews.com) — MaiaSpace tests cryogenic second stage (europeanspaceflight.com) Questions, Comments, Corrections — From the intro: Apollo LOX tanks (twitter.com/DrPhiltill) This Week in Spaceflight History — 15 Se…
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Spaceflight News — OSIRIS-REx prep (nasaspaceflight.com) (youtube.com) (spacenews.com) Short & Sweet — New Frontiers competition delayed (spacenews.com) — Ariane 6 hot-fire test delayed (europeanspaceflight.com) — Otter Pup detumbled! (payloadspace.com) (twitter.com/StarfishSpace) This Week in Spaceflight History — 9 Sept, 2006: The launch of STS-1…
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Spaceflight News — Chandrayaan-3 landing (spacenews.com) (spacenews.com) (en.wikipedia.org) (isro.gov.in) (indianexpress.com VIA 12ft.io) Questions, Comments, Corrections — From the intro: Starship Booster 9 static fire (with deluge) (twitter.com/SpaceX) Interview -- IEEE Senior Member David Witkowski — Further reading: Public Wifi Blueprint (PDF: …
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Spaceflight News — Luna-25 (HT ArcadeEngineer: twitter.com/katlinegrey) (spacenews.com) (spacenews.com) (Paywall: russianspaceweb.com) Short & Sweet — Starship booster coronation (nasaspaceflight.com) (twitter.com/SpaceX) — Intuitive Machines has a launch date (spacenews.com) — Russia explores reusable first-stage (aviationweek.com) Questions, Comm…
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Spaceflight News — Lunar Flashlight failure (spacenews.com) (PDF: mstl.atl.calpoly.edu VIA web.archive.org) (PDF: ssdl.gatech.edu) (PDF: digitalcommons.usu.edu) Short & Sweet — Boeing aiming for six Starliner flights to ISS (spacenews.com) (nasaspaceflight.com) — NASA test-fires Mars Ascent Vehicle’s motor (space.com) — To Artemis three or not to t…
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Spaceflight News — Astra Layoffs (spacenews.com) (cnbc.com) Short & Sweet — Starship Activities (nasaspaceflight.com) (twitter.com/elonmusk) — Cygnus gets an upgrade (spacenews.com) — Airbus and Voyager announce commercial space station plans (spacenews.com) (europeanspaceflight.com) This Week in Spaceflight History — 11 and 12 Aug, 1962: The launc…
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Spaceflight News — 2023 Tipping Point selections (nasa.gov) (nasa.gov) (PDF: nasaprs.com) — Blue Origin’s Blue Alchemist separates regolith into several important base materials (blueorigin.com) — We talked to Kyla Edison about sintering regolith (theorbitalmechanics.com) Short & Sweet — HALO’s added cost (spacenews.com) — Sierra Space builds a bet…
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