Recent content by TruthSeeker777

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    Stargazing How can we see the ISS at 200 miles away with the naked eye?

    I just find anything in common between the stars and the sun. What is the core of the assumption that the sun is a star? Is there a paper for this?
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    Stargazing How can we see the ISS at 200 miles away with the naked eye?

    There are a lot of assumptions in the answers which we can't verify empirically.. Why do we assume the sun is a star? Why do we assume the stars at at an infinite distance? Can we verify this?
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    Stargazing How can we see the ISS at 200 miles away with the naked eye?

    What if we remove that infinity assumption of stars distance? What is that based upon?
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    Stargazing How can we see the ISS at 200 miles away with the naked eye?

    It depends on what relative distances you set for the objects around what you are trying to triangulate? It assumes you know the distance to an object X and you measure the angular drift in reference to that object Y compared to the other you know about X ? So what is the reference object ?
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    Stargazing How can we see the ISS at 200 miles away with the naked eye?

    what about pictures of the full moon and stars?
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    Stargazing How can we see the ISS at 200 miles away with the naked eye?

    Visibility yes but not distance. I'd be weary of using distance of objects so far away that we can't really verify empirically.
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    Stargazing How can we see the ISS at 200 miles away with the naked eye?

    Certainly but the moon is far far bigger than the ISS. If I use a flashlight on an object that is smaller than the angular reolution would allow for in the dark should I be able to see it? There are two factors at play here: 1. Inverse square law - i.e an object's brightness (measured in...
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    Stargazing How can we see the ISS at 200 miles away with the naked eye?

    This is a very good point. I have certainly seen pictures of astranauts & ISS where the sky behind them is pitch black and no stars are visible.
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    Stargazing How can we see the ISS at 200 miles away with the naked eye?

    This is a good point. A mirror certainly reflects the vast majority of light from it. Is the suggestion that solar panels from the ISS are reflecting the vast majority of light that hits it from the sun? The solar panels I've seen do not seem to be very reflective and are grey in colour.
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    Stargazing How can we see the ISS at 200 miles away with the naked eye?

    ah yes, you're right its not convex. Thanks.
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    Stargazing How can we see the ISS at 200 miles away with the naked eye?

    Your eye cannot see anything that is beyond the limits of its angular resolution. Either the object must be bigger or closer.
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    Stargazing How can we see the ISS at 200 miles away with the naked eye?

    The angular resolution of the eye which is 0.02° and corresponds to 0.3 m at a 1 km distance. If the plane has a wingspan of 15 m then the average person should just be able to see it at 45 km. You will just about see it as dot rather than anything that looks like a plane. This is assuming very...
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    Stargazing How can we see the ISS at 200 miles away with the naked eye?

    NASA says the ISS is 200 miles away. Planes fly at around 10 miles from the surface and we can't see them due limits to the angular resolution of the human eye. Given the inverse square law of light and the ISS being 20 times the distance to the plane, how is it possible to see the ISS?
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    A Is Gravity Just the Electrostatic Force?

    I read this paper and this is iindeed a very interesting hypothesis. The implications of this theory if true are enormous! Please comment! Is Gravity Just the Electrostatic Force? <crackpot link deleted>
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