Question

show the horizon coordinates of a star X on a celestial sphere for a location at lattitude 60 degree N.
would these coordinates be the same at lattitude 30 degree N ?

Answer 1

Answer on Question #45868, Physics, Atomic Physics

Task: A typical atom has a diameter of about $1.0 \times 10^{-10}$ meters. What is this in inches?

Answer:

1 inch = 0.0254 m

So $1.0 \times 10^{-10}$ meters = $10^{-10} / 0.0254 \approx 39.37 \cdot 10^{-10}$ inches

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