How SpaceX Will Land On Mars

How The SpaceX Starship Will Land On Mars

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[FerociousPancake]

Ugh that starship with all 33 engines lit looks sooo good. Just like when the RS-25s first light up on the shuttle. Super satisfying.

[muzzyali]

It would be an amazing engineering feat to successfully complete this but I can't stop imagining a scenario where one mistake happens and you have potentially hundreds of people lost in deep space. That is terrifying.

[TomUlcak]

Around 15:00. You are missing the most obvious thing. Starship tankers can fly with manned ships and cargo ships. Starship doesn't need to bring everything in one rocket. The Starship is designed for fleets not a single shot - eggs in one basket. The tankers would have to deal with evaporation of fuel just as all the Starships will.

[MRRookie]

I’m an Aero engineer and this was honestly more technical than it needed to be. With that said, kudos to you on doing something different and delving into the maths of orbital mechanics.

[thomasmount]

One option to (eventually) make the journey cheaper is a 13, 000Km orbital lift to Martian geostationary orbit. You just need to put an asteroid there to tether it to. (the asteroid sits slightly beyond geostationary orbit, but travels at the speed of geostationary orbit, making it want to pull away from Mars constantly - this would carry the weight of the cable, keeping it taut for free.)
Mars gravity is about 40% of Earth gravity. You can jump 2.5 times higher with the same effort.
A Martian day is about 24 hours 40 minutes, so you can easily adapt.
The daytime temperature at the equator is about 20 degrees Celcius, a nice room temperature, but it gets slightly colder than Siberia at night.
There is only 1% atmosphere. You need some kind of suit to protect you from Cosmic Rays (gamma radiation from the sun). It would need a decent temperature regulator and a full air supply, but it would not have to be quite as tough/bulky as an EVA spacesuit. A few feet underground you could live safely and normally. Your house just needs an airlock.

[jcdisci]

Once fuel production begins on Mars, could we possibly place an orbital fuel tank in orbit around Mars? This would help resolve the fuel issue for landing once a vehicle gets there.

[bunlessness]

keep the videos coming, you are one of the best space channels. great content.

[keithmcknight]

❤ the orbital mechanics lesson 👏👏👏👏

You have to be CRAZY to want to be the FIRST humans to make this trip. X will have to make MANY landings on earth with well TESTED landing legs to get me to go 😂😂😂

[williamhoward]

Your explanations of how Delta V is used is very well explained compared to most videos that I see. Anyone starting into this has a hard time understanding that the rocket is not just shooting straight up or down but gaining velocity and therefore a higher orbit. This would be a good primer for Kerbal space program!

[FatRace]

I think one of the biggest problem is not how to get a spaceship on Mars, but how to escape Mars after you landed. If they can figure that out they can do anything.

[wxb]

"Logistically Insane" is an Understatement...

[miege]

At 7:20 the orbital mechanics is starting to get incorrect. Starship is actually moving in a slower orbit than mars when it arrives at mars and with no maneuver would continue to fall back towards earths orbit. In practice it makes no big difference since you still have a huge velocity difference which you need to bleed of when you want to land at mars. If you're interested, look up Hohmann Transfer on Wikipedia :)

[stevenmitchell]

The extremely thin Martian atmosphere will require larger flaps on Starship to enable proper functioning in the landing process. Even a deceleration burn to reduce atmospheric entry speed is likely necessary due to the reduced aerobraking of the Martian atmosphere. I fully expect the first few Starships that attempt Martian landing to crash in the attempts. Landing legs are also indicated for the same reasons as on the HLS Starship... uneven terrain, unprepared landing surface, surface erosion from engines, etc. Even the landing thrusters of HLS Starship could be needed for Martian Starships to address some of these issues. I expect the Martian Starship to have more in common with Lunar HLS than not. This would also indicate the need for an orbital tanker above Mars to ensure enough fuel for a successful landing. It's going to be interesting to see how SpaceX addresses these issues.

[uuzds]

So, you never did explain how StarShip is going to LAND on Mars. You gave a crude explanation on the Orbital Mechanics required to get there and slow down through the Martian Atmosphere but left it there ? ? ? So, just how Does StarShip Land on Mars without Landing Legs, an Orbital Launch Tower or a Launch Integration Tower or a Landing Pad of ANY sort ? ? ? I'm still waiting to hear someone explain that trick. 🤔

[walshmjs]

The preparation work required before any landing is paramount. The base, support infrastructure, everything. Without this there is no landing

[ericblanchard]

Glad your finally getting at least a bit of the views and likes you deserve. It will only go up from here. I appreciate your effort. Can't wait for the next videos you create.

[Spacewalker]

3:16
if your velocity is 30 km/s and you change it (either to 29 km/s or 31km/s), delta v would be one, but more spesifically your delta v, or change in velocity, would be 1 km/s. sometimes its measured in m/s, and if for this purposes you measure it in m/s, in that context with those units, your delta v from that manuver would be 1000 m/s.

[emmanuelmahuni]

This was by far the best Mars landing video I've seen so far, well done.🎉

[Bailee-leuu]

the creativity in your videos is beyond amazing!

[wmffmw]

My father brought home a 1, 500 page printout of the Apollo Preparation Check List and time line for me to read. In 1967 when I was a freshman at Cocoa Beach High School. Printouts of this size and type were rare then. It gave me a real appreciation of what it took to launch a rocket to the moon.