(11-13-2019, 12:49 AM)Anonymous Kritter Wrote:(11-12-2019, 05:35 AM)grav Wrote: Bullarky!
If off-the-shelf cameras can focus on planets and stars which are (acc. to Sagan) billions and billions of miles away, then they must really be a lot closer. A few hundred or thousand miles.
Like how Nasa computes distances to the sun. By triangulating from moving object rotten another movin object.
Ipse dixit bs.
You are looking at the end of the light shaft when looking at a Star !
Have you not learned that a Star Billions of light years away, may not be there anymore, as it takes that long for the light shaft to collapse ?
a . shaft . of . light ?
So you're saying that light travels forever?
It does not scatter? despite inverse square laws?
And Olbers's Paradox contradicts Einstein?