Recent content by timmdeeg

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    I If there ever will be a theory of Quantum Gravity which is testable...

    Not sure if I understand that correctly. The "break down" of GR at r=0 requires an extension of the theory such that these infinities are avoided. If you say we "don't know if it is possible or not" do you say we don't know if such an extension exisits or we will never be able to write it...
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    A Movement vs expansion in space

    But at least experimental support for inflation would support the L-CDM model and thus postulates like homogeneity on which this model is based, right?
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    A Movement vs expansion in space

    What could prove "that the universe must be homogeneous (on large enough distance scales)"? Would the detection of primordial gravitational waves be a prove? If that proves the correctness of the inflationary theory then I think that even if the creation of matter particles at the end of...
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    I Collapse of particle wave function and single Universe wave function?

    "100-0 is what we calculate from the post-collapse wave function." Isn't 100-0 just the measurement outcome which verifies one of the two possibilities "offered" by the wave function?
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    I Collapse of particle wave function and single Universe wave function?

    But isn't an update of the math something else and not comparable to the instantaneous contraction of a physical thing to a point? In other words doesn't the measurement just confirm spin up.
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    I Collapse of particle wave function and single Universe wave function?

    Why can't we argue that the wavefunction is not a physical object but 'just' a mathematical expression which describes probabilities and which per se isn't observable? Then it wouldn't be too hard to conclude, that such an expression doesn't collapse.
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    I Help identifying this Tumbling object in a night sky photo from Namibia

    Here comes Ulrich Bastian's comment, he is one of the founding fathers of Gaia: My translation: It seems most probably the trace of a satellite. It begins in the middle of the image and from there sloping to the bottom. It is parallel to the second satellite trace, not shown here. The wobble...
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    I Falling into a massive black hole is not necessarily noticeable

    Saying "notice" you seem to think of tidal force or spaghettification. Yes, the larger the black hole the less you feel it, as already said in #4. The reason is tidal force goes with 1/M².
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    I Where Are the Missing Black Holes in the Milky Way?

    In addition the Milky Way is thought to be within a much larger halo of dark matter. Very unlikely that stellar black holes are out there.
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    Our Beautiful Universe - Photos and Videos

    I appreciate that you like my image. Thanks, this could be a reasonable explanation. I should add that above pictures are taken from the final stack, before processing. Perhaps the problem is somehow related to my Sony. The only thing is for sure that I'm not alone, I've got this hint from...
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    Our Beautiful Universe - Photos and Videos

    Hi, I've been waiting for weeks to test my Sony A7III after being astro-modified and selected M33 for its H-alpha regions. Integration time was short because of upcoming clouds, but I think Ha is quite ok. Please criticize if it isn't. I have been struggling to obtain a reasonable color...
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    Our Beautiful Universe - Photos and Videos

    Bortle class 7 (maybe 8 ) skies - unbelievable that you obtain such an image!? Congratulations!
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    I Is the instantaneous collapse of the wave function frame dependent?

    Ah, understand. My thanks to you to @Nugatory and @PeterDonis for clarifying this matter.
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    I Is the instantaneous collapse of the wave function frame dependent?

    Not even when an entangled particle is measured? We don't have two measurements but have the certainty that the other particle has the correlated state in the same instant of time.
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