Problem: When astronomers observe distant galaxies, they can tell that most of them are moving away from one another. In addition, the more distant the galaxies, the more rapidly they are likely to be moving away from each other.Can you devise a hypothesis to explain these observations?

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We are asked to devise a hypothesis to explain these observations

When astronomers observe distant galaxies, they can tell that most of them are moving away from one another. In addition, the more distant the galaxies, the more rapidly they are likely to be moving away from each other. 

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When astronomers observe distant galaxies, they can tell that most of them are moving away from one another. In addition, the more distant the galaxies, the more rapidly they are likely to be moving away from each other.

Can you devise a hypothesis to explain these observations?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the The Scientific Method concept. If you need more The Scientific Method practice, you can also practice The Scientific Method practice problems.

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Based on our data, we think this problem is relevant for Professor Marzal's class at UCF.