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 , cargo to the ISS (International Space Station), land and reuse a booster, and a crewed mission into orbit. See the wiki for related tags.
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CO2 emissions for a satellite [closed]
How much CO2 emissions would producing an LEO satellite (e.g. Starlink satellite) release? I imagine there are various factors that go into this (aluminum body, electronics, battery, solar cells, etc.)...
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How to calculate CO2 emissions from personnel to build a rocket? [closed]
Other than obvious factors in the production of a rocket that cause CO2 emissions (e.g. launch), one of the major environmental contributors is also the personnel involved to build a rocket.
How could ...
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Electricity used by Falcon 9
How much electricity is used in the entire production and launch process of Falcon 9 (launcher, propellant, etc.)? What about other rockets, like the Ariane 5?
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How will the ISS be decommissioned?
According to the latest AP report, it's looking like SpaceX will get the contract to decommision the ISS in 2030. Will parts be saved and reused for a new station?
One thing quite objectionable is the ...
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Why would Starlink launch appear as a blurred line?
I believe that I recently saw a Starlink launch (details below in case I am mistaken); what puzzled me was that it appeared as a blurred, hazy line or streak. I watched it move across the sky and at ...
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Does Starship run on Slushies?
Cryogenic slush (a mixture of liquid and solid) can potentially store propellants at higher density than cryogenic liquid. For instance, hydrogen slush is 16-20% denser than liquid hydrogen. https://...
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Is Elon’s “Idiot Index” an over-simplification?
Edit: this question was originally closed because it is "not related to space exploration". However, SpaceX's major achievement is reducing the launch cost for space exploration. Elon ...
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Why some USA launches are visible in Europe
Yesterday (2024-05-02) at night I saw a SpaceX rocket from my home in Lithuania (Europe) for the second time in my life. It was Falcon 9 second stage carrying two "Maxar" satellites launched ...
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Do the second stages for Starlink launches from Florida do a deorbit burn over Texas?
This article about "strange red glows over Texas" claims that for Starlink launches from Florida, the second stages do a deorbit burn over Texas resulting in a South Atlantic Ocean impact.
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Does SpaceX post their planned trajectories publicly?
I live in a location where SpaceX launches are sometimes visible. I know SpaceX posts planned launch times, but does it provide any information about the flight trajectory to the public? I would ...
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Would Starship do a direct descent into the atmosphere and aerobrake or do a capture burn before aero braking
Due to re-entry heating and the sheer velocity when coming in from solar orbit into the Earth's SOI, will Starship do a capture burn to slow it down before entering the atmosphere or just go for a ...
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Could SpaceX ever make a Heavy version of Starship Super Heavy
As of now, SpaceX is preparing for Starship Flight 4, and once starship is mature enough and achieves Elon Musk's goal, will they make a Heavy version like with Falcon. Even Before Integrated flight ...
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Will a human mission to Mars require artificial gravity?
Elon Musk and SpaceX are planning a manned mission to Mars as early as 2029.
The mission timeline is unclear, but one proposal (page 16) from SpaceX, which uses Hohmann transfer orbits for minimum ...
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Feasibility of landing all 3 Cores of the Falcon Heavy on Droneships [duplicate]
All of the Falcon Heavy launches up to now are either expending the Center core and landing the side boosters on land, or expending all of them (some examples: Falcon Heavy test flight, both boosters ...
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Feasibility of landing Starship's Super Heavy booster on a droneship
Recently, after IFT 3 of Starship Super Heavy, I went to ponder: Can SpaceX land their Super Heavy boosters on Autonomous Spaceport Droneships to get extra performance. Currently, it separates with ...