In What Sense Are Telescopes Like Time Machines?

Jumat, 12 Agustus 2022

In What Sense Are Telescopes Like Time Machines?

NEWS VANESSA Agustus 12, 2022 Comment

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In what sense are telescopes like time machines? O they allow us to see distant objects as they were long in the past. They allow us to look at a galaxy and see it as it was at many different times in the past. They allow us to see distant objects as they will be in the future.

The telescope as a time machine. The chief difficulty in employing this time machine to observe the cosmos during its past epochs arises from the fact that distant objects appear fainter than closer ones. We must therefore capture and analyze the light from progressively dimmer objects as we push farther back into the past. In what sense are telescopes like time machines? Why is a relatively dense protogalactic cloud more likely to produce an elliptical galaxy than a spiral galaxy? Why should galaxy collision have been more common in the past than they are today? Which type of protogalactic cloud is most likely to form an elliptical galaxy? Can telescopes see back. They allow us to see distant objects as they were long in the past.