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Questions tagged [spacex]

Space Exploration Technologies Corporation, or SpaceX, is a private space exploration company. It was the world's first privately held company to successfully launch a cargo mission into space.

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161 views

Is it viable to use one or more BFR tankers as interplanetary boosters

Is it viable to Start the BFR mars burn while the ship is attached to one or more refueling boosters? (Imagine interplanetary booster) Using their combined engines the ship can achieve greater ...
12
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2answers
3k views

Can the Falcon Heavy handle deep space missions?

Can the Falcon Heavy rocket handle sending payloads past Jupiter like the Atlas V?
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3answers
804 views

How did the Roadster get high enough to take a whole-Earth picture?

According to telemetry as seen in videos of the event, the car was ejected from the Stage 2 rocket at 114km above Earth. Anything less than 160km will immediately enter a rapidly decaying orbit and ...
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2answers
988 views

Why doesn't the Tesla Roadster's windscreen crack or break in space?

The car is on the sun side of space as seen by the lens flare. This means that the car will absorb high amounts of radiation, heating the car up to well over 250 degrees Celsius . A car windscreen ...
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2answers
7k views

What is that haze on Starman's windshield?

There is a haze on the top half of Starman's windshield? It was not there in the first day o fthe launch and the video feed. It looks like fogged window, but assume it cannot be that. What is it and ...
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4answers
6k views

Why do they put a timeline on the Space X launch videos?

I have never noticed the Space X rocket launch videos include a timeline. This image is from the Falcon Heavy launch with the Tesla car in it.
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1answer
185 views

Can HiRISE photograph Starman?

On Oct 7, 2020, according to the latest predictions, the Tesla Roadster/ Starman will pass within 0.05 AU (7.4 million km). Could HiRISE image it with any success, and as anything but a dot?
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0answers
167 views

Onboard recording of trans-Mars injection

Is there any video recording of the Falcon Heavy trans-Mars injection burn from onboard cameras? The live feed of the Tesla Roadster and Starman orbiting Earth cycled through multiple cameras ...
5
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2answers
286 views

What accounted for the total mass of the Tesla/Starman?

According to this Wikipedia article, Falcon Heavy is claimed to be able to deliver a payload of 63,800 kilograms to LEO. According to this article, the Tesla Roadster has a curb weight of 1,305 kg. ...
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3answers
1k views

Why is space fuel cheap compared to rocket cost?

I have been pondering on this question for some time now. I've searched the web and realized that fuel for Falcon 9 (SpaceX) costs around 200 000 dollars per launch, while the launch itself costs 62 ...
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2answers
187 views

Will there be no other test flights of Falcon Heavy?

In this list of Falcon launches, the next flight of a Falcon Heavy in June 2018 will transport several scientific satellites. The mission will be part of the certification process of the new rocket. ...
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2answers
987 views

Why is BFR replacing the Falcon 9?

Not every payload (or even batch of payloads) needs super-heavy launch capacity, but that seems to be what SpaceX is doing. https://www.space.com/38323-spacex-phasing-out-rockets-for-mars-bfr-...
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1answer
458 views

Does anyone know what this camera view is of from Starman/Roadster live footage?

In reviewing the replay video of the live coverage of Starman/Roadster floating around the Earth I found a camera view that is different from the rest. Does anyone ...
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2answers
825 views

Will SpaceX use a BFR Heavy mode, similar to the Falcon Heavy but with 3 BFR cores? [closed]

Big Falcon Rocket will need several (maybe 6) tanker missions to get enough fuel for a Mars mission. Does this mean at some point we may witness one BFR Heavy, made of three BFR first stages ...
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4answers
5k views

Why 31 engines for the BFR?

I understand the philosophy of using relatively many smaller engines so that a single engine failure has minimal impact on the mission (provided you can keep the shrapnel from shredding the others) ...
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2answers
663 views

Capacity of the BFR tanker — how many flights to fully refuel the spaceship?

So, the current plan for the BFR has the spaceship massing 85 tons and carrying 50 tons of cargo plus around 1000 tons of fuel and oxidiser (according to wikipedia), most of which is presumably ...
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2answers
1k views

Did Elon Musk's Tesla Roadster actually launch to space? [closed]

I'm sorry I have to ask this question but I need evidence for a friend. My answer to her that I trust people who specialize in the field to know better than me is 'BS' to her. So to begin... My ...
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1answer
649 views

Why would SpaceX limit Starman’s Tesla signal transmission to 12 hours and not use solar power? [duplicate]

I'm as smitten as everyone else by Elon’s Starman cruisin' his Tesla through the cosmos. But I'm even more curious why we were limited to a signal transmission architecture with a mere 12-hour life ...
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1answer
2k views

How long will we be getting data (pictures?) from Starman and his Tesla?

So originally, I read this article that claimed that the battery in the Tesla launched on the Falcon Heavy would last for about 12 hours after launch. The live video stream was only broadcast for ...
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1answer
1k views

When is the tesla roadster expected to reach mars [duplicate]

I guess "Reach" is a bad term here. When is the tesla roadster expected to be close enough to mars that it can orbit it normally, just as satellites orbit us. https://www.theverge.com/2018/2/6/...
3
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1answer
256 views

How far from the launch site was the recovery drone for the center core of the Falcon Heavy test flight?

How far out to sea was the recovery drone Of Course I Still Love You for the Falcon Heavy test flight? In the future, if there's a Falcon Heavy night launch with a similar flight profile, I'm ...
1
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1answer
394 views

When will SpaceX Falcon Heavy Tesla cross Mars orbit?

Elon Musk clearly miscommunicated here. The Tesla is going to take awhile to cross Mars orbit. When will that be? note: to future readers, the shape of the orbit shown in this tweet is no longer ...
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2answers
539 views

Did a particle hit the second stage of the Falcon Heavy in this video from the Starman stream?

The silver material surrounding the base of the Falcon Heavy second-stage engine jerks suddenly in this video from the Starman stream at 4:06:32 Is this due to a particle impact?
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0answers
201 views

What's up with Star Man's Roadster's suspension?

On Earth, a vehicle's weight compresses the suspension, and the wheel rims are generally designed to closely fit the contour of the tires with only a small gap between. Take away that weight, the ...
7
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1answer
245 views

What was the source of uncertainty on the Starman ejection burn?

After the launch and six-hour cruise, the Falcon Heavy’s upper stage will fire a third time to send the Tesla into a cycling orbit between Earth and Mars. This should take the Tesla out as far as the ...
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2answers
708 views

How did the communication work between the SpaceX Tesla and Earth?

With a Tesla launched in space and HD cameras put on it, I can imagine its not easy to receive a signal from that slowly spinning, multiple ten-thousand km away new artificial object in our solar ...
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0answers
251 views

What is Elon Musk's Roadster orbital period? [duplicate]

On February 6th, 2018, SpaceX launched Elon Musk's Tesla Roadster to an elliptical heliocentric orbit as a dummy payload of the initial flight test of the new Falcon Heavy rocket. What is the ...
29
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4answers
6k views

Is it possible to track an object as small as the Tesla Roadster around the Solar System

I have heard that we will soon lose track of the Tesla Roadster launched with the Falcon Heavy test launch. Yet, we know where Voyager is out beyond the Solar System and we followed other satellites ...
4
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1answer
277 views

Can Falcon Heavy side boosters/center core be reused as Falcon 9s?

Since the Falcon Heavy is just essentially 3 Falcon 9s strapped together, would it be possible to reuse them as Falcon 9s with some modification?
2
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1answer
139 views

Tesla Near Mars Orbit

When will the Tesla Roadster come into a near Mars orbit as shown in the SpaceX simulation shown in Elon Musk's tweet? Is it 10 years, 20 years or when?
2
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1answer
1k views

How close will Starman return past Earth? [closed]

Will Starman return past Earth? Surely SpaceX just can't say whoops, sorry, we missed our Mars orbit target and there's a chance Starman will come back near earth down the track? Does SpaceX submit ...
7
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2answers
3k views

How long will it take for Starman to complete one orbit of the sun?

I have seen that the original estimate to pass by Mars was about 6 months, but the current trajectory overshot Mars by quite a bit. How long until Starman and the Roadster return to complete their ...
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2answers
223 views

What are the perihelion and aphelion distances of the Falcon Heavy second stage?

What are the perihelion and aphelion of the Falcon Heavy second stage containing the Tesla after yesterday's mission?
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2answers
13k views

How close will the Tesla Roadster with Starman actually get to Mars?

I know the long term outlook is quite difficult to say, but how close will the Tesla Roadster actually get to Mars on it's first orbit around the Sun?
4
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1answer
736 views

How does SpaceX Falcon Heavy Starman live feed transmitter work?

I'm curious to find out answers to the following questions: Where is the antenna for the live feed transmitter of starman located in the payload? How is the transmitter being powered? Related to 2nd ...
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1answer
1k views

How long will the Tesla Roadster's heliocentric orbit last?

The long term prospects for the integrity of the Roadster and to a lesser extent its seat belted occupant have been addressed in the answers and discussion below Can I drive Elon Musk's Tesla after it'...
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3answers
5k views

Could a Falcon Heavy test flight be responsible for these observations?

We observed a bright, slow moving (in our view for several minutes) large object that eventually left large bright contrails. This was over Northern New Mexico at around 7:29 PM MST. The object was ...
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1answer
6k views

In Starman's roadster, where's the Towel?

Did Starman forget his towel? A towel is the essential thing every explorer needs to carry, right? Can't get very far without it.
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3answers
397 views

Was SpaceX's venture into the asteroid belt a “convenient accident” on purpose?

There is gold in the asteroids, or iridium. links: http://www.bbc.com/news/science-environment-25716103 https://globalnews.ca/news/3175097/nasa-plans-mission-to-a-metal-rich-asteroid-worth-...
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2answers
1k views

What all is included in the contraption around Star Man?

In the streaming video, we can see a mannequin sitting in a car. It is fairly evident there is more to it than that, the cameras are clearly on some sort of supporting arms extending from the car, ...
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2answers
1k views

Can we expect shots from Starman that include the Earth and Moon together?

Just as the question asks. Will the Roadster get anywhere near, or be in any planned position to capture images of the Earth and Moon in the same field of view? A sort of "family photo" :)
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5answers
3k views

Can someone explain to me what will cause Starman’s orbit to change to match the orbit that has been posted?

I have been watching Starman’s current location through the tracking that is being provided Falcon Heavy/Tesla 2018-017A. The current orbit shows Starman’s current apogee 6,957 km and with a ...
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2answers
3k views

For how long/far can we track Starman

Radar tracking is used for Earth satellites and big enough asteroids. As the FH-launched Tesla Roadster is leaving the Earth-Moon system and it is quite small object (the car + the payload adapter are ...
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1answer
28k views

Current position of Starman

Have looked at current videos of Starman and not found data as to it's current position. Is there a site plotting the current position of Starman?
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1answer
386 views

What is used to connect the side boosters to the first stage?

For example, on the Falcon Heavy, the two side cores detached from the first stage but how are they attached and what mechanism is used to detach them?
10
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1answer
653 views

No need for gravity assist with Falcon Heavy?

Elon Musk is quoted to have said, after the launch of Falcon Heavy, that «it can launch things direct to Pluto or beyond, no stop needed, don’t even need gravity assist or anything». Now, I am not an ...
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1answer
1k views

Just how much of the Falcon Heavy is reusable?

I've been looking for just this one bit of info, in all the press: exactly how much of the Falcon Heavy is recoverable and reusable? Obviously not the fuel, but is all the hardware recovered? If so, ...
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2answers
2k views

Why did the Falcon Heavy core engines fail to reignite?

I realize that this is a hot take, less than twenty-four hours later at the time of posting, but is any technical detail known about why the core engines failed to restart, causing the crash?
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2answers
5k views

Did the fairings from the Falcon Heavy test flight get recovered?

According to the flight plan that Elon Musk posted on Twitter, there's a section listed as 'Fairing Recovery', was this section successful? Did the Fairings get recovered?
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0answers
166 views

What is the life expectancy of Starman and his car? [duplicate]

What is the life expectancy of starman and his vehicle if they either reach mars, or somehow miss and remain in space?