Recent content by iconoclastmax

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    Does an object orbiting close to a black hole appear to orbit slower due to time dilation?

    The time dilation applies to the clock in the spaceship that is orbiting, not to a far away observer; he observes everything as expected, an object orbiting a mass, almost Newtonian, The guy in the spaceship, well, he don't see it that way.
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    ISS debris avoidance

    Sounds good on face of it, like your other post, but pieces of a kg or more are still very difficult to see, and pinpoint, so you have to put your large areal laser power density (enough to vaporize a hundred gm of metal in a few square inch area in a second or so ->kilowatts) over a large area...
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    ISS debris avoidance

    Maybe you can come up with an idea of how to do it, but it is not possible to make a magic ray to zap them. Take a poke at it . . . . Small things you can't even see to zap (sand grains that make for a bad year in space), big things (bolt sized) you can't really see and vaporize in time, let...
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    ISS debris avoidance

    They have models from older interplanetary craft, essentially the size distribution of what hits you, and the flux. Measured, known data.
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    ISS debris avoidance

    Money, money, money. $100 million to capture a few suitcased sized pieces of which there are thousands, $100 million to capture a dozen or so baseball sized pieces of which there are likely 10,000. The sand grain sized can't even really be seen, and if they were, 100's of trillions of dollars...
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    Debris from Chinese rocket crash found in Indonesia and Malaysia

    No, in this case it is not true that "someone has to win the lottery". Earth has been bombarded by meteor debris for centuries and only one person has been hit. And many trillions of person-days of existence on earth is a LOT of lottery entries. And the "unexpected" Webb hit was just expected...
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    ISS debris avoidance

    The Webb mirrors are especially especially fragile and susceptible to damage from debris. This Webb debris was very small, likely the size of a smoke particle or even smaller. And the damage is mainly miniscule misalignment and warping of the exquisitely engineered and aligned mirror segments...
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    Questions about Space Travel

    Not true, dude, not true. References???? No reputable references possible.
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    Electrons: Facts about the negative subatomic particles

    1800 times less MASSIVE than protons and neutrons. Electrons are thought to have either an extremely small, or undefined, "size" in the conventional sense, see Wikipedia for an introduction. Lets please not be imprecise in our wording that can lead to confusion.
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    Thousands of satellites are polluting Australian skies, and threatening ancient Indigenous astronomy practices

    These indigenous people supposedly affected by satellites never have, and currently are not, doing any astronomy research or observation that is sophisticated enough to be affected by satellite pollution. If they are doing any at all, which I greatly doubt.
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    Question about big bang theory

    This is very close to the current understanding. Space containing a gravitational field has a negative energy density due to the gravitational field (read Alan Guth's book). Mass with positive energy creates a gravitational field with a negative energy; creation of the negative energy also...
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    Could This Be True?

    Not even close. Just a random jumble of high sounding phrases from astrophysics books.
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    Debris from Chinese rocket crash found in Indonesia and Malaysia

    It's quiet because it was VERY VERY VERY likely there were none. Not even a Cuban cow. And Douglas Adam's Heart of Gold spaceship was nowhere near there . . . . .
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    ISS debris avoidance

    Flecks of paint et al. will not destroy the station, just make pits. The 5+ cm pieces are tracked and avoided. The problem is the 1-4 cm pieces we are blind to but will trash any module(s) they hit, think along the lines of a small, non-explosive artillery shell kind-of-thing. The 5+ guys are...