What do you think the universe could have looked like 10 billion years ago? Represent this in your model and explain how the universe 10 billion years ago was different from the universe today and the universe 5 billion years ago.

It's thought to be around 10 billion years old—twice as old as the Solar System—when the majority of stars in our galaxy were first beginning to shine. The Milky Way is about 12 billion years old. The confirmation of TOI-561b demonstrates that rocky planets may have been forming for most of the history of the Universe

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c

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in november 1781, john hanson became the first president of the united states in congress assembled, under the articles of confederation. many people have argued that john hanson, and not george washington, was the first president of the united states, but this is not quite true.

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