Question

How can astronomers know things for certain since they only look at space from one vantage point?

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Answer 1

Answer:

Even if we observe a space object from only a single viewing angle, we can effectively see it from different van.tage points using differe.nt obser.vation methods. For inst.ance, we can look at a star using a camera that captures ra.dio waves, micro.waves, infrar.ed waves, ultra.violet rays, x-rays, or gamma rays.