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posted by janrinok on Sunday June 19 2022, @10:45PM   Printer-friendly
from the one-little-two-little-three-little-rocket-launches dept.

SpaceX launches three rockets in 36 hours:

SpaceX launched three missions in just over 36 hours, including two from Florida's Space Coast with most recent a two-stage Falcon 9 early Sunday.

The third rocket lifted off from Florida's Cape Canaveral Space Force Station at 12:27 a.m. carrying a communications satellite for Louisiana-based Globalstar.

Earlier, the company founded by billionaire Elon Musk launched 53 Starlink internet satellites at 12:09 p.m. Friday Eastern time from NASA's Kennedy Space Center in Florida and then sent into space a radar satellite for the German military from Vandenberg Space Force Base in California at 7:19 a.m. Saturday Pacific.

Sunday morning's launch was Space X's 26th this year and ninth for this particular Falcon 9 first stage.

Ten minutes after liftoff, the first stage went back to Earth, landiing vertically on the SpaceX droneship "Just Read The Instructions" in the Atlantic Ocean off the Florida coast.

Globalstar did give details about the launch of its spare satellite before liftoff, and SpaceX also didn't mention the payload.

In the other flight from Florida, the Falcon 9's first stage landed on the "A Shortfall of Gravitas" droneship.


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  • (Score: 1, Insightful) by Anonymous Coward on Sunday June 19 2022, @11:52PM (3 children)

    by Anonymous Coward on Sunday June 19 2022, @11:52PM (#1254490)

    All these launches carried useful satellite payloads to orbit on re-usable rockets. There currently is no 'green' way to get these in orbit. Finally if all rocket launches were stopped worldwide, the CO2 reduction you achieved would not even be detectable.

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  • (Score: 0) by Anonymous Coward on Monday June 20 2022, @03:21AM (2 children)

    by Anonymous Coward on Monday June 20 2022, @03:21AM (#1254509)

    I was wondering how many lifetimes I would have to drive my fairly modern and efficient car to even reach ONE tonne of C emissions?

    • (Score: 1, Touché) by Anonymous Coward on Monday June 20 2022, @03:37AM

      by Anonymous Coward on Monday June 20 2022, @03:37AM (#1254511)

      0.007 lifetimes.

    • (Score: 1, Informative) by Anonymous Coward on Monday June 20 2022, @04:43AM

      by Anonymous Coward on Monday June 20 2022, @04:43AM (#1254516)

      C12 - 2x O16 = 44.
      If your tank was filled up with methane (the least polluting carbon form - 75% by mass), you'd emit 44/12*0.75=2.75 mass units CO2 for every mass unit of fuel.
      If you were to fill your tank with pure octane, the ratio becomes 352/114 = 3.088.
      Somewhere around 3.1 is a good still conservative approximation.

      I was wondering how many lifetimes I would have to drive my fairly modern and efficient car to even reach ONE tonne of C emissions?

      With the above, you should be able to answer yourself that burning question.