The tweet archive.

“@Erdayastronaut Starship design goal is 3 flights/day avg rate, so ~1000 flights/year at >100 tons/flight, so every 10 ships yield 1 megaton per year to orbit”

“@SPEXcast @SciGuySpace What’s amazing is how non-linear the effect of gravity is. Starship can travel by itself from surface of Mars to surface of Earth, but requires massive booster on Earth with orbital refilling to get to Mars, which is ~38% of Earth gravity.”

“@SPEXcast @SciGuySpace Densification isn’t needed to return the ship & limited cargo from Mars, but it’s an option for increasing cargo return capability if needed”

“@SciGuySpace Fundamental issue with SLS is that it’s not reusable, which means that a billion dollar rocket is blown up every launch! 💯 tragedy.”

“Starship orbital vehicle SN1, liquid oxygen header tank & nosecone https://t.co/IaSEdIyZgP”

“@Alejandro_DebH @macshlibber @SpaceflightNow Advancing humanity’s understanding of the Universe is a fundamental motivator for SpaceX! Starship can put giant 🔭 in orbit & on moon. With an occluder, could image 🌏 in other star systems.”

“@Alejandro_DebH @macshlibber @SpaceflightNow Exactly. We’ve had good discussions with leading astronomers. One way or another, we’ll make sure Starlink doesn’t inhibit new discoveries or change the character of the night sky.”

“@bluemoondance74 @flcnhvy @SpaceX Should be able to post video of Raptor on Tripod soon”

“@flcnhvy @nextspaceflight @SmileSimplify @SpaceX Ok, tho could be gnarly”

“@nextspaceflight @SmileSimplify @SpaceX Destroyed in Dragon fire”

“@SmileSimplify @SpaceX We tried to design a way to save B1046, but not possible 😞”

“@RQuiddich Every tank under pressure is a balloon tank — it’s just question of degree. Starship tanks are not balloon tanks like Atlas in sense that they don’t collapse when depressurized on the ground.”

“@annerajb @waitbutwhy Looks like a thin, flat, round UFO on a stick. Starlink Terminal has motors to self-adjust optimal angle to view sky. Instructions are simply: - Plug in socket - Point at sky These instructions work in either order. No training required.”

“@flcnhvy Sprockets was amazing”

“Congratulations Tesla & SpaceX on great 2019! You rock!! Looking forward to epic 2020 ♥️🚀🛰🚘☀️”

“@Teslarati Hard to believe it’s almost time to retire Cargo Dragon after a decade of solid service”

“@EverydayTesla Yeah, engineering is ~90% of my time at SpaceX & about ~60% at Tesla”

“@Kristennetten @SmileSimplify @Erdayastronaut We’re focusing on Boca right now for Starship & Cape is focused on Falcon/Dragon”

“Almost three now. Boca team is crushing it! Starship has giant dome 🤣🤣 https://t.co/qTN2TU02pb”

“@realRickyReeves @Erdayastronaut @NASA Crew Dragon is capable of propulsive landing, but would require extensive testing to prove safety. Better to focus on Starship.”

“@kulpability @NASA Crew Dragon should be physically ready & at the Cape in Feb, but completing all safety reviews will probably take a few more months”

“Simulation of first crewed flight of Falcon 9 / Dragon 2020 @NASA https://t.co/BSDPYTcVIG”

“@JaneidyEve We’re now building flight design of Starship SN1, but each SN will have at least minor improvements, at least through SN20 or so of Starship V1.0.”

“Was up all night with SpaceX team working on Starship tank dome production (most difficult part of primary structure). Dawn arrives … https://t.co/SzyDSYUYOu”

“@therealcliffyb @Tesla @SpaceX Truth”

“@TechnologicAli Started Zip2 with ~$2k & ~$100k of student debt, rolled proceeds into X/PayPal, rolled proceeds again into SpaceX/Tesla, but these are all companies where I played fundamental founding role. Not right to ask others to put in money if I don’t put in mine.”

“If Tesla & SpaceX go bankrupt, so will I. As it should be.”

“@SpaceX Telemetry indicates soft touchdown on the water, so fairing might still be reusable”

“@SpaceX Sigh …”

“@bluemoondance74 @ThugsAndMiracle @tfspeakcies @DearHistorians @DeepintoHistory @HellenisticPod @TrueConsPod @IWBpodcast @Coffincast @CacheHistory @AgeofVictoria @ForYourRefPod @WWIIPodcast @namelessdeadpod @ZombieFishbowl @AgeofNapoleon Raptor is making great progress! Just finished an engineering review with SpaceX Propulsion. Engine SN 17 is about to ship to McGregor with some holiday style 🎄😀 https://t.co/3JNIyxY9H0”

“@justpaulinelol Maybe on Starship? It’s def got the payload capacity …”

“@MemesOfMars @latimes @latimesfood @latimesbooks @latimesphotos @alex_avoigt @JaneidyEve @sara_boutall @RationalEtienne @ICannot_Enough @LaurenRow5 Just wish Russ Mitchell would improve the *quality* of his fiction. Is this too much to ask!?”

“@neiltyson If we create a city on Mars, Earth-Mars travel will be a powerful forcing function for inventing something like warp drive”

“Launching third flight of this Dragon spacecraft to @Space_Station tomorrow”

“@flcnhvy Starship steel decision came first. We were going to use titanium skins for Cybertruck, but cold-rolled 30X stainless is much stronger.”

“Tesla Cybertruck (pressurized edition) will be official truck of Mars”

“@Erdayastronaut @SpaceX Absolutely, but to move to Mk3 design. This had some value as a manufacturing pathfinder, but flight design is quite different.”

“Starlink vertical on the pad https://t.co/WuiB1piKcK”

“@SciGuySpace @yokem55 @waynehale Without a fully & rapidly reusable orbital rocket, humanity will never be a multiplanet species”

“@bluemoondance74 @flcnhvy SpaceX engine production is gearing up to build about a Raptor a day by next year, so up to 365 engines per year. Most will be the (as high as) 300 ton thrust (but no throttle & no gimbal) variant for Super Heavy. Cumulative thrust/year could thus be as high as 100,000 tons/year.”

“@teslaownersSV @flcnhvy No, in the beginning, assuming you even make it there alive, Mars will be far more dangerous & difficult than Earth & take decades of hard labor to make self-sufficient. That’s the sales pitch. Want to go?”

“@teslaownersSV @flcnhvy So it will take about 20 years to transfer a million tons to Mars Base Alpha, which is hopefully enough to make it sustainable”

“@teslaownersSV @flcnhvy A thousand ships will be needed to create a sustainable Mars city”

“@Malcolmmarsman @flcnhvy No problem. We could program Starship to perform Swan Lake in the sky. Minimizing landing burn propellant mass is what’s hard.”

“@flcnhvy Current global payload to orbit capacity is about 500 tons per year, of which Falcon is about half”

“@flcnhvy If we build as many Starships as Falcons, so ~100 vehicles & each does 100 tons to orbit, that’s a capacity of 10 million tons of payload to orbit per year”

“@flcnhvy Payload to orbit per year of Starship fleet is most mind-blowing metric, as it’s designed to fly 3X per day, which is ~1000X per year”

“@flcnhvy The economics have to be something like that to build a self-sustaining city on Mars”

“Cybertruck unveil on Nov 21 in LA near SpaceX rocket factory”

“@TJ_Cooney That said, most Starship spaceports will probably need to be ~20 miles / 30km offshore for acceptable noise levels, especially for frequent daily flights, as would occur for point to point flights on Earth”