No text

124.4 meters (408.1 feet) tall, 9 meters wide, 5,500 metric tons at launch with a TWR of 1.6. Should leap off the pad and hit max Q in 45 seconds. These engines are grossly overpowered for the launch mass, which implies another stretch. And they're a work of art.

I have to go see one of these launches one day.

And they're not done. Raptor 4 is in the works. They really are going to Mars. The long dry spell of "boldly go" is coming to an end.

This is about getting wholesalers to pay them to take the data about where they source their stuff and who they sell it to at what rates so Amazon can replace their step in the chain as well.

Those cards would be worth far more than the data at the moment.

Everything in the visible universe is subject to lunar gravity now. That's how gravity works.

>arguing it unfairly advantages startups

Way to say your dealers suck.

Simplify. The best part is no part. The parts omitted never fail. They don't require maintenance, supply chains, continuous improvement.

The Moon is target practice. We need to get away from innovative bespoke engineering, into industrial mass production with continuous improvement. To do that we need to fly often. Mars just doesn't have the launch window availability. The biggest part of the challenge is that we were born in the bottom of a deep well. To toss enough stuff out of the well for a long journey is critical. Boosters that reliably fly on time often and cheaply enough to get ships and fuel out of the well. Ships that carry fuel into orbit and return over and over since the vast majority of the material we need to send out of the well isn't payloads or ships, it's fuel. Kilotons of fuel. Once the factories and processes are set up for that going far beyond the Moon is fairly easy. But with a narrow opportunity every two years that's not going to happen in a human lifespan. It's not enough refinement cycles per year.

I see this accelerating the Mars objective, not deferring it.

This is the crux. Optimization of supply chains to eliminate inventory makes them frail. Or, to quote Wirth:

Premature optimization is the root of all evil.

The last of the US federal helium reserve - including land and equipment - was sold in 2024.

Is joke of course. Was angling for the same joke.

3He is normal helium atom with an extra neutron, hoped to be used in some forms of fusion. It's not considered radioactive. Emitted by the sun it's trapped in lunar rock possibly at concentrations of up to 50 parts per billion but more likely 5-10ppb. The utility of extracting it from the Moon is hotly debated. On Earth isolating it from normal helium involves the same sort of centrifuge used to isolate isotopes of uranium, radium, hydrogen but there is far less of it than in lunar soil.

This is not actually the case in the subject at hand. It's all normal helium. When cooled enough all other gases will precipitate out as they freeze - including Hydrogen - leaving only helium as a gas and so easily isolated. That's actually why it's valuable since it's the only gas that will boil off at temperatures so low that the conductors immersed in the fluid will superconduct supporting the currents necessary for the intense electromagnets used in imaging and such. /Explaining nerd jokes since 1983

Other similar stars were here in this galaxy for 8 billion years before the Sun even formed - twice as long as then to now. Inception of life as we know it on Earth was effectively instant upon planet formation, which was contemporaneous with solar ignition.

There are no FTL speeds. No exceptions.

The Milky Way is home to about a billion civilizations more advanced than us. We are late to the party.

Fortunately space is really big, or we would be them.