• Canadarm 2 hit by space debris

    From jacob navia@21:1/5 to All on Tue Jul 6 23:52:21 2021
    Le 04/06/2021 à 10:59, Otto J. Makela a écrit :
    JF Mezei <jfmezei.spamnot@vaxination.ca> wrote:

    On 2021-05-29 13:24, Jeff Findley wrote:
    If you were doing an EVA this would be a "bad day" if the debris hit
    your spacesuit. Luckily, I don't think this has happened in the
    history of ISS EVAs.

    Do they orient the ISS during EVAs to have the ISS act as a shield for
    EVA crews?

    Or do such projectiles come from all directions and there is no way to
    predict from which direction the next one will come?

    The majority of orbital launches are towards the equator, and in the direction of Earth's rotation to get that extra oomph so statistically
    they are skewed that way.

    However, when talking about random bits of debris your guess is as good
    as mine. Let's hope it all doesn't get as bad as Donald Kessler predicted.


    It is incredible how this "civilization" repeats all errors again and
    again. We have now polluted in less than 50 years near earth orbit so
    much that we are destroying our own spacecraft with our pollution.

    Debris can be avoided with a minimum of responsible planning and
    foresight. But why bother?

    Let's go on polluting, somebody else will clean up later, who cares?

    Chinese officials tell us that their rubbish will fall down somewhere
    maybe over our heads (or even theirs!). They refuise the small expense
    of a controlled re-entry.

    Satellites COULD be fitted with small rockets that would brake and make
    a controlled re-entry. But why bother about that extra expense?

    Even if it is small compared to the cost of recovering later the cloud
    of small debris that will be produced after a few dozens of years.

    50 degrees celsius north of canada. We are suffocating in our own waste
    but why bother cleaning? Canada is increasing their CO2 emissions.


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