• threelonmusketeersM
      link
      fedilink
      English
      121 year ago

      Of course it has an effect on the environment. Everything does. Tim Dodd did a nice analysis: How much do rockets pollute?

      TL;DR: Falcon 9 is better than most rockets, as it doesn’t use SRBs, and the first stage and fairings can be reused many times. Starship will be better still, as it uses methane instead of RP-1 (reducing soot), and the entire vehicle is designed with reuse in mind.

      • Reality Suit
        link
        fedilink
        English
        21 year ago

        Ah, methane. That’s the safe greenhouse gas. Why so many launches? What is being left in space?

        • @[email protected]
          link
          fedilink
          English
          71 year ago

          Once burnt, yes, safe greenhouse gas. At least, no worse than any other combustion products. I mean, it would be nice if hydrogen wasn’t such a pain, but we have to work with the universe we are given.

          Methane leaks need to be contained to the amount practical, but they are doing that.

        • @[email protected]
          link
          fedilink
          English
          51 year ago

          If by “left in space” you mean the payload, then mostly Starlink satellites. A considerable number of other people’s satellites as well. Those stick around until the end of their service life, then they re-enter the atmosphere and burn up.

          If you’re asking if any part of the rocket gets left up there, then the answer is no

          • @eskimofry
            link
            English
            11 year ago

            There was a recent lemmy post and discussion where “burn up” wasn’t making stuff magically disappear out of our atmosphere.

            • @[email protected]
              link
              fedilink
              English
              -11 year ago

              Right. It’s more like the molecules come apart from one another but still exist. Kinda like when bread turns into toast in the toaster: matter transforming as energy flows though it.

          • Reality Suit
            link
            fedilink
            English
            -31 year ago

            Nah, I’m asking about why so many trips, and what is being left. You won’t find a list of it anywhere.

        • @breadsmasher
          link
          English
          31 year ago

          muskyboi has to keep replacing his starlink satellites burning up

          • Tar_Alcaran
            link
            fedilink
            English
            11 year ago

            Dont worry, according to elonmusk.today, it’s been 679 days since he anounced they would make rocket fuel from carbon in the air. So, that program is bound to produce results, right? riiiiight?